Closes the 8 mis-segments #000046 left in formulate-hard-v1.jsonl.
The parser was line/bullet-only — one line ⇒ one claim — so a line
that crammed several pointered claims onto one row ("Water is wet
[E1]; fire is hot [E2]", "X happened [E1]. Y followed [E2]") became
one monolithic claim with all the pointers, and a wrapped bullet
became two.
arborist/qa/parse_claims.py: _SEGMENT_SEP_RE splits a line on ';',
sentence boundaries ('. '/'! '/'? ' then a Capital), spaced dashes
(' - '/' — '/' – '), ' and '/' or '/' because '/' although '/' since
'/' while ', inline '(N)' enumeration markers, and commas — with
'(?![^\[]*\])' so a comma inside a [E1, E2] bracket never splits it.
_segment_line keeps the split ONLY IF every resulting non-empty
segment is a well-pointered claim — a legit single claim ("The cat
is black and white [E1].", "The cast: A, B, C [E1].") is never
broken because splitting it would manufacture pointer-less prose
fragments → guard rejects; a leading colon-terminated header with no
pointer ("Two facts:", "Key points:") is allowed and dropped. Plus a
wrapped-bullet join: a continuation line (leading whitespace then a
lowercase letter, no bullet glyph) folds its text + pointers into the
previous claim.
Effect: formulate-hard rate 4/12 → 12/12 (the pack is now at ceiling
— a harder Formulate tier would re-open below-ceiling headroom; a
#000046 follow-up). Remaining #000048 headroom: 2 STRICT_PARAPHRASE
recombinations in falsification-hard (Mercury, Einstein — step 2.2).
Bench gate: make bench-qa (n=3 × 75 × 3 = 675 cells; parse_pointer_claims
feeds the 450 claim_lattice_pointer + claim_lattice cells) after
(bench/qa_results/2026-05-11T20-26-37Z) vs the pre-step-2.4 baseline
(...T17-12-41Z = HEAD's parse_claims.py). STRICT-rate quote 0.54→0.55,
pointer 0.22→0.22, lattice 0.43→0.45 — all within the 5-pp noise
floor. Per-row diff: the segmenter changed the parsed-claim count on
the SAME answer text for 7 of the 450 lattice cells (0 in
claim_lattice, 7 in claim_lattice_pointer); of those, 2 caused an
audit_mode change — both correct: a wrap-join recovered an answer's
intended structure (4 claims, 2 pointer-less wrap-fragments → HYBRID)
into 2 well-pointered claims → STRICT; and a crammed-one-line blob (1
monolithic claim, all pointers → STRICT) split into 8 claims, some
not individually verifying → HYBRID (the honest verdict — false-
positive STRICT was the corruption). Every other lattice/quote delta
is LLM re-answer variance. No regression — the segmenter's only
visible effects on real traffic are honest improvements. Summarized
in qa-modes-bench.md Addendum 7 + ticket-000048 §5 step 2.4.
Tests: 8 new in test_claim_lattice.py (semicolon/sentence/conjunction
splits; pointerless-fragment + cast-list guards; leading-colon-header
drop; wrapped-bullet join; pointer-order/multi-pointer); existing
parse_pointer_claims tests pass untouched; test_5f_formulate_hard_pack
re-pinned 4/12 → 12/12. make test 2358 passed, 28 skipped.
#000048 → steps 2.1 + 2.4 landed; #000046 / #000012 §8 / TICKETS.md /
Makefile / fixture _meta + notes updated.
Closes the 4 HYBRID_ENTITY over-grounds #000046 left in
falsification-hard-v1.jsonl. The entity strategy grants HYBRID when a
multi-word proper noun matches the source — but "Insulin was
discovered by Alexander Fleming" against "Penicillin was discovered by
Alexander Fleming" matches on the shared "Alexander Fleming" while the
swapped subject "Insulin" (the falsehood) is ignored.
arborist/qa/verify.py: _entity_salient_disagrees(answer_text, norm_ctx)
flags a >4-char Capitalized content token (stopword-filtered) or a
digit-number in the answer absent from the source.
_is_single_sentence(text) — no internal '. '/'! '/'? ' break. Gated in
verify_quotes' entity branch (proximity policy) in the weakest-grounding
slot only: not cluster AND len(verified) <= 1 AND _is_single_sentence
AND _entity_salient_disagrees → UNGROUNDED. The narrow caller-gate is
what keeps a structured multi-claim summary untouched — the Matrix cast
list (many entities, a tight cluster) and the TMNT answer (a numbered
list with parenthetical nicknames the source omits): model-added
accurate detail in a real summary isn't a contradiction, only the
single-sentence-one-weak-match shape is. The Matrix/TMNT/hybrid
entity-path regression tests still pass, pinned untouched.
Effect: falsification-hard rate 6/12 → 10/12 = 0.833 (Insulin / Berlin
/ 1889 / Pacific now correctly UNGROUNDED). The 2 live-pack fixtures it
newly demotes — 5f-fal-live-003 (the exact gap #000046 built its hard
pack around) and 5f-fal-live-028 — had expected_reason updated
HYBRID_ENTITY → UNGROUNDED (the live pack records what verify_quotes
actually does). Remaining hard-pack headroom: 2 STRICT_PARAPHRASE
recombinations (Mercury, Einstein — step 2.2) + 8 Formulate
mis-segments (step 2.4).
Bench gate: make bench-qa (n=3 × 75 × 3 = 675 cells) after
(bench/qa_results/2026-05-11T17-12-41Z) vs the pre-step-2.1 baseline
(...T14-19-51Z = HEAD's verify.py). STRICT-rate quote 0.50→0.54,
pointer 0.25→0.22, lattice 0.45→0.43 — all within the 5-pp noise
floor. Per-row diff (675 common cells, 30 quote-mode rows changed
audit_mode): 0 quote-mode rows demoted to UNGROUNDED from the entity
path — the gate fired on 0 legitimate QA answers in the whole bench.
Every transition was LLM re-answer variance (verifier quote→quote with
the verdict flipping); pointer/lattice deltas are noise too (the gate
is in verify_quotes / quote mode, not the claim-lattice verifier). No
regression — the gate is provably narrow on real traffic. Summarized in
qa-modes-bench.md Addendum 6 + ticket-000048 §5 step 2.1.
Tests: 4 new in test_verify.py (_is_single_sentence helper,
_entity_salient_disagrees helper, swapped-subject → UNGROUNDED,
gate-narrow-on-multi-claim); test_5f_falsification_hard_pack_below_ceiling
re-pinned 6/12 → 10/12; test_fork_score_positive_gamma_5f_... updated
(positive γ·Δ5f on the real lift — possibly MARGINAL given the ÷5
dilution; ACCEPT via a degraded-parent sub-scenario).
make test 2343 passed, 28 skipped.
#000048 → step 2.1 landed; #000046 / #000012 §8 / TICKETS.md /
Makefile / fixture _meta + notes / baseline JSON updated.
Closes the harder-fixture-tier ticket: a real verify_quotes
tightening lifts the falsification-hard rate 4/12 → 6/12, bench-gated,
ForkScore's bench-Δ goes positive on it — the loop is closed
end-to-end.
arborist/qa/verify.py: _numeric_signature(text) extracts comma-
stripped digit-runs ('8,849' and '8849' collapse; '300' stays
distinct from '300000' ← '300,000'). _check_each_with_paraphrase
gains a gate: a span that token-covers the source ≥ paraphrase_coverage
but asserts a digit-number the source lacks (modulo thousands-comma)
is no longer paraphrase-grounded — it goes to unverified. Catches the
near-miss the lexical coverage check is blind to ("Water boils at 50
degrees" against a source saying 100 token-covers 100% because
'50'/'100' aren't >4-char content tokens). Narrow by construction:
fires only on the paraphrase fallback (verbatim/span/entity/claim-
lattice paths untouched), only on a digit-number. A rounding-
paraphrase demoting here is the honest verdict — it isn't a verbatim
grounding.
Hard pack: lifts 5f-fal-hard-004 (50 vs 100) and -007 (300 vs
300,000) to UNGROUNDED → falsification-hard rate 4/12 → 6/12 = 0.5.
The other 6 over-grounds (4 HYBRID_ENTITY + 2 recombined-no-number
STRICT_PARAPHRASE) and the Formulate hard pack are unaffected —
headroom for a bigger order/dependency-aware verifier upgrade, an
optional follow-up, not a #000046 blocker.
Bench gate: make bench-qa (n=3 × 75 questions × 3 modes = 675 cells)
before / after. STRICT-rate quote 0.53→0.50, pointer 0.23→0.25,
lattice 0.44→0.45 — all within the 5-pp noise floor. Per-row diff
(675 common cells, 74 changed audit_mode): the only clearly
gate-attributable QA shift was the fictional "our cold fusion
breakthrough" year-claim demoting STRICT→HYBRID (×3 samples) — a
correct demotion; every other transition was quote→quote /
claim_lattice→claim_lattice LLM re-answer variance. No regression on
legit answers. Artifacts: bench/qa_results/2026-05-11T13-42-38Z (before)
and ...T14-19-51Z (after) — gitignored; summarized in qa-modes-bench.md
Addendum 5 + ticket-000046 §5 Phase 3.
Worked example: fork_score on the real change — parent {5f/
falsification: 4/12} → child {5f/falsification: 6/12} → γ·Δ5f =
(1/6)/5 ≈ +0.033 > 0 (positive; a single improvement of this size is
MARGINAL by the ÷5 dilution, the test pins the full-lift-to-1.0 case
at ACCEPT).
Tests: 5 new in tests/test_verify.py (numeric_signature normalization
+ subset-matches-comma-variant + disagreement-rejected +
gate-is-narrow + number-present-still-verifies);
test_5f_falsification_hard_pack_below_ceiling re-pinned 4/12 → 6/12.
make test 2339 passed, 28 skipped.
#000046 → closed; #000012 §8 §4 + TICKETS.md row + falsification-hard
_meta / hard-004,007 notes + Makefile 8/12→6/12 comments updated.
(Makefile also carries an uncommitted chain-check-SQL improvement from
the concurrent session — NOT in this commit; staged only the
#000046-comment hunks.)
Extends the #000046 hard tier to the Formulate sub-battery.
bench/fixtures/5f/formulate-hard-v1.jsonl — 12 prose inputs that
arborist.qa.parse_claims.parse_pointer_claims SHOULD segment into a
particular claim lattice (recorded in expected_lattice). The parser
is line/bullet-based — one line ⇒ one claim, [E#] tokens attach to
it — so 8 of 12 it mis-segments: merges and-/semicolon-/dash-joined
or (1)(2)-enumerated multi-claim lines into one claim with all the
pointers, or splits a wrapped bullet into two. Those 8 fail at HEAD
on claim-count mismatch; the other 4 are well-formed bullet/numbered
lists / single claims the parser handles right. Rate at HEAD = 4/12
= 0.333, stable (parse_pointer_claims is deterministic). A
claim-lattice parser that does sentence/clause segmentation (split on
'. ', ';', subordinating conjunctions, inline enumerations) + joins
wrapped bullets lifts the rate toward 1.0 → positive γ·Δ5f for that
child fork.
make bench-5f-formulate-hard runs it (|| true past the runner's
nonzero-on-failures exit). Not in `make bench-5f` / `runner --all`.
tests/test_bench_batteries.py — test_5f_formulate_hard_pack_below_ceiling
(pins rate 4/12, source=live, the 8 fails are claim-count
mis-segments).
#000046 → "Phase 1 + Phase 2 landed"; two below-ceiling 5F subs now
exist (falsification, formulate). Closure still pending an actual
surface improvement (verify_quotes tightening — bench-gated — or
parse_pointer_claims segmentation) that lifts a rate. §5 + §6 +
TICKETS.md row updated.
(Makefile also carries an uncommitted chain-check-SQL improvement
from the concurrent #000039 session — NOT included in this commit;
staged only the bench-5f-formulate-hard hunk + the .PHONY line.)
Closes the "everything is at rate 1.0 so fork_score's bench-Δ terms
are inert" gap the #000025 §10.14 calibration surfaced — at least on
the 5F/falsification axis.
bench/fixtures/5f/falsification-hard-v1.jsonl — 12 near-misses, each a
FALSE/unsupported claim whose correct verdict is UNGROUNDED (recorded
in expected_reason). 8 of 12 are over-grounded by
arborist.qa.verify.verify_quotes at HEAD — its paraphrase
token-coverage strategy returns STRICT_PARAPHRASE, its entity-proximity
strategy returns HYBRID_ENTITY, both matching on incidental overlap
(shared entities/numbers, the same key terms stated in the opposite
direction) — so those tasks fail by design; the other 4 the verifier
handles correctly. Rate at HEAD = 4/12 = 0.333, stable (verify_quotes
is pure-lexical / deterministic). Built around the pre-documented gap
5f-fal-live-003.
make bench-5f-falsification-hard runs the pack; make
bench-fork-baseline-hard pins it to
bench/results/baseline-falsification-hard.json. Both targets `|| true`
past the runner's nonzero-on-failures exit (8 fixtures fail by design;
the JSON is still written).
tests/test_bench_batteries.py — test_5f_falsification_hard_pack_below_ceiling
(pins rate 4/12, source=live, every fixture asserts UNGROUNDED, the 8
fails are over-grounds not abstentions) +
test_fork_score_positive_gamma_5f_on_hard_falsification_improvement
(the worked example: fork_score(parent={5f/falsification: 1/3},
child={5f/falsification: 1.0}) → gamma*Delta5f ≈ +0.133 > 0, verdict
ACCEPT, no regression flags — the bench Δ-rate carrying signal it
can't carry while every canonical pack is at ceiling).
NOT in `make bench-5f` / `make bench-5s5t5f` / `make
bench-fork-baseline` / `runner --all` — the hard pack is a separate,
deliberately-failing artifact pinned on its own.
#000046 flipped to "in progress · Phase 1 landed"; closure pending an
actual verify_quotes tightening that lifts the rate (a separate,
larger task). ticket-000012 §8 §4 + TICKETS.md row updated.
Full suite: 2314 passed, 28 skipped.
"One more iteration then close" (fox): added committed KAT-regeneration
scripts for both the T3 calculator and φ_PRG — the regen step was a
throwaway temp script before; now it's reproducible and the phi_prg
test's skipif reason ("run scripts/generate_phi_prg_kat.py") points at
a file that exists. Then closed#000036.
New scripts:
- scripts/generate_t3_bound_kat.py — regenerates
bench/fixtures/t3-bound/known-answer-tests.jsonl from a fixed 12-config
list (the §7 worked examples under max_envelope + non-default-C_B*
+ g=0 edge + explicit-b1_model pins for the other three models).
- scripts/generate_phi_prg_kat.py — regenerates
bench/fixtures/phi-prg/known-answer-tests.jsonl from a fixed 10-entry
list (placeholder/random seeds, one-bit-flip variants, block-boundary
dim_h=16/17, 4096 counter-rollover stress).
- Both verified to reproduce the committed fixture data lines byte-
for-byte (only the header comments changed, to reference the script).
Each docstring states: run after any algorithm change, then bump the
module version (CALCULATOR_VERSION / PHI_PRG_VERSION) so the fixture's
version field changes too.
Doc/test:
- test_t3_bound_calculator.py skipif reason now references the regen
script (matches the phi_prg test pattern).
- #000035 §3.3 + t3-bound.md §10.1 reference the regen scripts.
Closure (#000036):
- Status → closed · 2026-05-11 in the ticket file + TICKETS.md row.
Phase 1 + dav1d Tier-1/Tier-2 (Option B in v1) + KAT-regen tooling
all landed; all §5 acceptance criteria met; both dav1d closure
blockers cleared. Continuation: empirical C_B1/C_B2/C_B3 tightening
under #000043 (parks on v7 deployment data); landing the bound's
framing into a v7 plastic-training spec parks on that spec gaining
a deployment target; R2's architectural integrations (Merkle audit-
event commitment, SQD canonicalization, CTI clause-lattice, 5F
trigger, ForkScore security-risk) are separate tickets if wanted.
- t3-bound.md header flipped to "closed 2026-05-11".
Full suite: 2312 passed, 28 skipped.
v7's canonical integer byte-order was confirmed little-endian by
inspecting merkle-agi-dag_v7.txt §A1 — every to_bytes / astype in the
TLV encoding is little-endian (TLV length prefixes to_bytes(4,'little'),
enc_int to_bytes(8,'little'), quantized tensors '<i8'); no big-endian
anywhere. Per dav1d's 2026-05-11 review rule ("if v7 TLV canonical
integer encoding is little-endian, flip §3.4 to little-endian before
KAT freeze"), flip done — this is the -le variant.
Implementation (arborist/substrate/anchor_prg.py):
- PHI_PRG_VERSION → "phi-prg-v1-hmac-sha512-le" (still "v1";
the -le suffix records the endianness; future re-flip MUST bump).
- _expand: counter.to_bytes(4, 'big') → 'little'.
- _bytes_to_floats: int.from_bytes(..., 'big') → 'little' (the
uint32-word interpretation, for full consistency with v7).
- Module + function docstrings updated: little-endian throughout,
with the merkle-agi-dag_v7.txt §A1 verification note.
- Note: at counter=0 the bytes are identical regardless of
endianness, so 5 of the 10 KAT entries (dim_h ≤ 16, single block)
keep the same output_sha256; the 5 multi-block entries (dim_h 17/
32/64×3/4096) change.
KAT fixture (bench/fixtures/phi-prg/known-answer-tests.jsonl):
- Regenerated under the little-endian counter. Each entry now also
carries a "version" field (phi-prg-v1-hmac-sha512-le). Header
comment updated.
Tests (tests/test_anchor_prg.py, 30 → 31):
- test_module_exports_version_string: assert the -le suffix.
- test_bytes_to_floats_midpoint_maps_to_zero: 2^31 is b'\x00\x00\x00\x80'
in little-endian, not b'\x80\x00\x00\x00'.
- New test_bytes_to_floats_reads_little_endian: pins the byte-order
so an accidental re-flip is caught.
- test_phi_prg_first_block_matches_direct_hmac: uint32-word reads
little-endian (counter=0 bytes unchanged either way).
- test_phi_prg_known_answer_tests: assert kat['version'] == module
version when present.
Spec text (#000035 §3.4): folded the little-endian variant of
dav1d's §9.10 wording — counter_le32, uint32_le word reads, an
"all integers little-endian, matching v7 TLV §A1" preamble, and an
"Endianness — RESOLVED 2026-05-11" note replacing the open
big-vs-little question. soft-hash-channel-analysis.md §9.2/§11 +
#000035 status + TICKETS.md row updated. AUTOCOUNT for
test_anchor_prg.py bumped 30 → 31; PHI_PRG_VERSION refs in docs
bumped to -le.
Full suite: 2312 passed, 28 skipped.
Closes the three open Phase-1b items of #000025; every §10 closure
criterion is now met, so the ticket flips to closed.
§10.14 — ForkScore threshold-calibration handoff to #000012.
bench/scripts/fivef_threshold_calibration.py (make bench-5f-threshold-
calibration) runs the canonical 5S/5T/5F packs + the 5F live packs and
reports baseline rates, observability granularity (1/n), and fork_score
verdicts on the parent vs synthetic child perturbations →
bench/results/5f-threshold-calibration-2026-05-11.md. Findings written
into ticket-000012 §8: keep SIGNAL_FLOOR / HARD_REGRESSION_FLOOR at
0.05; the small 5S packs (syntax n=10, semantics n=8) are coarser than
the floors so any regression there trips hard-reject (intended zero-
tolerance); the 5x averaging dilution in _delta_*; ceiling saturation
(every pack at 1.0 -> delta-rate terms <= 0). No constant change
shipped. 6 tests in tests/test_fivef_threshold_calibration.py.
§10.13 — feedback latency / efficiency on real workload.
run_feedback_loop now computes feedback_latency (listed in §5.5 since
Phase 1a, never implemented) — wall-clock seconds to apply a live
chain against its temp shard, surfaced per-task
(feedback_latency_seconds) + battery (feedback_latency_mean_seconds,
feedback_live_task_count). For live chains feedback_efficiency's cost
denominator switched from len(chain) (count of requested ops) to the
persisted footprint _persisted_cost = audit-event rows the chain
actually wrote + their body bytes / 1e6. Embedded chains keep
len(chain) and report feedback_latency_seconds = None. Latency is a
wall-clock field (run-to-run variable, like BatteryResult.timestamp)
and is not a fork_score input. 3 tests in tests/test_bench_batteries.py.
§10.11 — real selfmodel finetuning chains.
bench/scripts/selfmodel_chain_snapshot.py (make bench-5f-selfmodel-
snapshot) appends one chained SelfModel snapshot per run to a
persistent shard (~/.arborist/shards/selfmodel-chain.db, override via
ARBORIST_SELFMODEL_CHAIN_DB) with one CapabilityClaim per sub-battery
(metric = "5S-syntax" etc., measured_value = that pack's rate,
eval_digest = the pack's fixture digest, threshold = SIGNAL_FLOOR).
snapshot() auto-parents, so each snapshot is a distinct root and the
lineage grows by one per run. run_finetuning gains a third dispatch
mode — shard-chain (gated on a task's selfmodel_shard key) — via
_chain_finetuning_measure: reads the two most-recent snapshots
(latest() = child, its parent_selfmodel_root = parent) and measures
improvement on target_capability between them. This is the real
lineage replacing Phase-1a's synthetic parent->child pairs; the
chained delta reflects genuine cross-run drift (0.0 today — the
embedded packs are at ceiling). Operator pack
bench/fixtures/5f/finetuning-shardchain-v1.jsonl (6 tasks) + make
bench-5f-finetuning-shardchain; not in `make bench-5f`, `make test`,
or a fresh checkout (a missing/too-short chain fails honestly). The
real chain shard was bootstrapped 2-deep on 2026-05-11; make
chain-check-shards reports 0 breaks on it (and all other shards).
10 tests in tests/test_selfmodel_chain.py.
Full suite: 2311 passed, 28 skipped.
Per fox: apply the conservative max_envelope B1 model by changing the
v1 calculator's default — NOT by forking a v2. CALCULATOR_VERSION stays
"t3-bound-v1-bottou-refinement" (the descriptor names the unchanged B3
term); b1_model is echoed in the output AND the inputs dict so KAT
replays are unambiguous about which model produced a row.
Calculator (bench/scripts/t3_bound_calculator.py):
- New b1_model kwarg + --b1-model CLI flag, choices:
max_envelope (default) max(fraction_channels, aggregate_bias)
fraction_channels g · W · log₂(1 + G/σ)
aggregate_bias W · log₂(1 + g·G/σ)
effective_control_v1 g · W · log₂(1 + g·G/σ) (old non-worst-case)
- Default is now max_envelope — genuinely upper-bounding across both
interpretations of g (dav1d review §3 closure blocker, RESOLVED).
- Every output reports all three concrete B1 variants
(B1_fraction_channels / B1_aggregate_bias / B1_effective_control_v1),
b1_selected, and both SNR readings (snr_grad = g·G/σ,
snr_per_channel = G/σ) regardless of which b1_model was requested.
- model_assumptions[] now carries f"B1_model_{b1_model}".
- inputs echo now includes c_b1/c_b2/c_b3/b1_model (replay-complete).
- Invalid b1_model rejected with a ValueError naming the field.
- Baseline I_window: 625.8716 (effective_control_v1) → 6183.0154
(max_envelope: B1=aggregate_bias 5849.63 dominates fraction_channels
1729.72), certification_status NOT_CERTIFIED_BY_BOUND at W=10000.
KAT fixture (bench/fixtures/t3-bound/known-answer-tests.jsonl):
- Regenerated 2026-05-11 — 12 entries: the 8 §7-derived configs under
the new max_envelope default, a g=0 edge case, plus explicit-mode
pins for effective_control_v1 / fraction_channels / aggregate_bias.
- Each entry carries b1_model, expected_b1_selected,
expected_b1_{fraction_channels,aggregate_bias,effective_control_v1},
expected_snr_per_channel, expected_certification_status.
Tests (tests/test_t3_bound_calculator.py, 75 → 83):
- test_t3_bound_known_answer_tests no longer skips (fixture active);
pins b1_model, b1_selected, certification_status + numbers, tolerates
optional new fields on older fixtures.
- New: test_b1_max_envelope_exact_formula, test_invalid_b1_model_rejected,
test_cli_b1_model_flag (effective_control_v1 / fraction_channels /
aggregate_bias). test_b1_exact_formula renamed
test_b1_effective_control_v1_exact_formula and now passes the explicit
model. Updated baseline / below-256 / CLI tests for the new numbers.
Doc (docs/soft-hash-channel-t3-bound.md):
- Header + §0 + §3.1 + §6 + §7 (worked examples) + §8 (operator
guidance W-solving) + §10 (closure blockers RESOLVED) + §10.1 +
§11 (calculator schema) + §12 all updated for the max_envelope
default. §8: target-256 W drops from ~4196 to ~415 steps under the
conservative model — the ~10× cost of not assuming which g-reading
holds; operators who can measure effective-control applies can use
--b1-model effective_control_v1 for the looser W (a calibration
claim they must justify, not a default).
Status (#000036 ticket + TICKETS.md): both prior dav1d closure
blockers cleared (B1 worst-case model + active KAT fixture); remaining
= fox's final close-or-iterate call.
AUTOCOUNT markers bumped 75 → 83. Full suite: 2288 passed, 28 skipped.
Closes the controller → 5F battery loop fox designed: #000037 Phase
1 produces FalsificationFixtureProposal records from high-divergence
providence_cache rows; this commit lands the harvester that turns
those proposals into a real 5F fixture pack the falsification
battery exercises every test run.
bench/scripts/harvest_falsification_proposals.py — reads qa.db,
filters live rows with witness_divergence = (n_unverified / n_quotes)
>= 0.5, stratifies by audit_mode, picks 20 HYBRID + 20 UNGROUNDED
top-by-cache_key for determinism, writes embedded-mode fixtures
to bench/fixtures/5f/falsification-harvested-v1.jsonl.
Each fixture carries `_harvest_meta` with the source cache_key,
divergence at harvest time, audit_mode at harvest time, and the
ticket reference (#000037 §13 step 11). Embedded mode — uses
`observed_violations` directly without calling verify_quotes
again; `answer_text` preserved verbatim for debugging.
Pack composition (initial harvest 2026-05-10):
20 UNGROUNDED (expected_reason: UNGROUNDED)
9 HYBRID_QUOTE (NEW motif — not in falsification-v1.jsonl)
7 HYBRID_CLAIM_LATTICE (NEW motif — not in falsification-v1.jsonl)
4 HYBRID_PARAPHRASE (already covered in v1)
Two harness tests pin the pack:
- test_5f_falsification_harvested_pack_runs_clean: 100% pass-rate,
every fixture carries traceable _harvest_meta.
- test_5f_falsification_harvested_pack_widens_motif_coverage: the
HYBRID_QUOTE / HYBRID_CLAIM_LATTICE motifs surface from real
corpus (loud-fail if harvest rotation drops them).
Makefile: `make bench-5f-harvest` re-runs the harvester. Parameters
exposed: HARVEST_QA_DB, HARVEST_OUT, HARVEST_THRESHOLD,
HARVEST_SAMPLE_PER_BUCKET.
Full suite: 2328 passed, 37 skipped (+2 from the two new pins).
Pre-Phase-1e: falsification-v1.jsonl covered 10 motif tags across 50
fixtures (the high-traffic warrant/title/anchor/format set). Phase
1e adds 12 fixtures (5f-fal-051..062) for the previously-uncovered
motifs from the verifier+soft-demote registries:
CITATION_MISMATCH DEFLECTION_DETECTED
MANUAL_QUOTE_VIOLATION SCHEMA_INVALID
SOURCE_ROLE_BLOCKED SUBJECT_TOKENS_ABSENT
TOO_MANY_EVIDENCE_IDS UNKNOWN_EVIDENCE_ID
BROAD_QUANTIFIER_RUNAWAY BROAD_QUANTIFIER_CAP_APPLIED
BROAD_QUANTIFIER_SCOPE_UNBOUND BROAD_QUANTIFIER_REJECTED
Coverage now: 22 unique motif tags across 62 fixtures.
Harness changes:
- test_bench_batteries.py: bump pass_count assertion 50 → 62 in both
falsification tests; add test_5f_falsification_covers_every_documented_motif
that pins the motif set against the verifier+soft-demote registries
so adding a new violation upstream surfaces here as a missing
fixture (loud signal, no silent drift).
- test_session_integration.py: bump full-suite total 662 → 674.
Closes#000025 §10.12 (every documented failure-motif tag).
Still open in Phase 1b: §10.11 (real shard finetuning chains),
§10.13 (Feedback Loop latency/efficiency against real workload),
§10.14 (threshold handoff to #000012).
Audited fox's exemplar 51-test file against the 9-item checklist
in docs/calculator-test-patterns.md (codified earlier today in
0725eb4). Two gaps found, both additive:
GAP 1: no KAT fixture
=====================
Checklist item 1: "KAT fixture under bench/fixtures/<module>/
(≥ 5 cases)". Fox's tests cover the doc's worked-example numbers
inline (test_baseline_matches_section_11_doc) but no separate
fixture file existed for off-the-baseline regression coverage.
Generated bench/fixtures/t3-bound/known-answer-tests.jsonl with
8 KATs:
- small-deployment-§7.1, medium-deployment-§7.2,
hardened-deployment-§7.3 (the doc's three worked examples)
- extreme-low-g (g=0.001, σ=0.5 — exercises low-SNR regime)
- tight-window-W=100 (small-W ceiling-rounding edge case)
- tightened-c-b1 (override-constants path)
- all-constants-tight (all three c_b1/c_b2/c_b3 overridden)
- b3-floor-regime (factor < 1, B3 floors to 0)
Each entry pins (calculator_version, inputs, expected_total,
expected_b1, expected_b2, expected_b3, expected_snr_grad).
Algorithm change MUST bump CALCULATOR_VERSION + emit new fixture
file under bench/fixtures/t3-bound/ — old runs replay against
old data per §1 discipline.
GAP 2: no B3 hand-computed formula test
=======================================
Checklist item 3: "Hand-computed formula tests — at least one
per independent contribution / output field". Fox had
test_b1_exact_formula + test_b2_exact_formula + test_snr_grad_formula
covering three of the five output fields. B3 had only
test_b3_floor_at_zero_when_factor_below_one (an edge case),
not a closed-form check on the general formula.
Added test_b3_exact_formula: hand-computes
``C_B3 · ⌈W/E⌉ · log₂(N_b · σ_grad / ‖∇L_max‖) / 2`` per #000036
§5 (Bottou-Bousquet refinement), asserts agreement with the
function's B3_contribution. Pairs cleanly with the B1/B2 hand-
formula tests fox had.
CHECKLIST AUDIT — POST-FIX
==========================
1. KAT fixture ✓ NOW (was ❌; 8 entries)
2. VERSION + "v1" ✓ test_returns_calculator_version_token
3. Hand-formula ✓ NOW B1/B2/B3/snr_grad all covered
(was ⚠️ partial; B3 had floor-only)
4. Monotonicity ✓ test_monotone_in_window_length /
gradient_fraction
5. Closure ✓ test_total_equals_sum_of_three_contributions
6. Parametrized invalid ✓ four @pytest.mark.parametrize blocks
7. CLI subprocess ✓ test_cli_baseline_runs_clean +
test_cli_invalid_input_exits_2
8. Doc parity ✓ test_baseline_matches_section_11_doc
(caught today's §11 calibration drift)
9. Module-export shape ✓ test_returns_calculator_version_token +
test_constants_recorded
All nine items now ✓. test_t3_bound_calculator.py is the
exemplar for calculator-style test discipline.
Test count: 51 → 53 (+2 from this commit). Full suite:
1915 → 1985 (+70 from fox's parallel work + this commit's +2;
partial cycle effects).
Hygiene
=======
- make test → 1985 passed, 45 skipped.
- KAT fixture is JSONL with header comment naming
CALCULATOR_VERSION; future drift caught at the test level.
- Eat-my-own-dogfood: applied my docs/calculator-test-patterns.md
checklist to fox's exemplar test file. The fact that gaps
surfaced (even on fox's substantive 51-test surface) validates
that the checklist has real reviewer value, not just guideline
signaling.
Lands the synthetic-ablation infrastructure proposed in fce8826's
ticket §7 amendment. Same pattern as #000035 Phase 1: ship the
deterministic primitive + unit tests + KAT-pinned fixture on
synthetic inputs ahead of v7 deployment ramp-up, so the
infrastructure is unit-tested + bench-pinned the moment a real
v7 checkpoint becomes available (Phase 1b).
bench/scripts/phi_alignment_probe.py
====================================
Implements ``measure_alignment(W, hessian_eval, *, k_top, k_bot,
epsilon) -> AlignmentReport`` per #000034 §3.1:
- Lanczos top-k + bottom-k via ``scipy.sparse.linalg.eigsh`` over
a user-supplied HVP closure. Probe never materializes H.
- Alignment score: A(W, H) = Σ_j (Σ_i ⟨W·e_i, v_j⟩²) / (λ_j+ε)
/ ‖W‖_F², per ticket §2.1. Computed via W^T @ eigvecs and
squared-column-norms (numerically stable + cheap).
- Verdict thresholds (§3.3): STRUCTURAL_ALIGNMENT (ratio > 1.5) /
NO_ALIGNMENT / ANTI_ALIGNED (ratio < 0.7).
Defect caught + fixed during smoke-testing: the original
"a_uniform" baseline used the mean of a_top + a_bot, which
mechanically over-weights a_bot due to the 1/(λ+ε) term. Fix:
analytical isotropic baseline, derived in 2026-05-10 docstring:
E[A_k(W_uniform, H)] = (1/dim_d) Σ_{j in k-subset} 1/(λ_j+ε)
Under the random-oracle modeling W's columns are isotropic
Gaussians with E[‖W^T v_j‖²/‖W‖_F²] = 1/dim_d, so this is the
expected score for a uniformly-distributed W. Smoke test
post-fix: aligned → STRUCTURAL_ALIGNMENT (ratio ~7.97), uniform →
NO_ALIGNMENT (ratio ~1.00), anti → ANTI_ALIGNED (ratio ~0.00).
All three classes land cleanly in their expected verdict bucket.
Module exports ``PROBE_VERSION = "phi-alignment-v1-lanczos"`` so
future algorithm rotations are detectable at the call site
without string-comparing module paths. Same convention as
#000035's PHI_PRG_VERSION.
bench/fixtures/phi-alignment/synthetic-checkpoints.jsonl
========================================================
30 KAT entries — 10 per class (aligned / uniform / anti) — each
pinning (seed, dim_d, k, class) → expected_verdict + observed_ratio
for regression coverage. Deterministic-seeded so CI replays
exactly. Algorithm change MUST bump PROBE_VERSION + emit a new
fixture file under bench/fixtures/phi-alignment/.
Class ratio ranges:
- aligned: 7.77 - 8.27 (well above 1.5 STRUCTURAL_ALIGNMENT floor)
- uniform: 0.95 - 1.04 (cleanly within NO_ALIGNMENT band)
- anti: 0.00 (well below 0.7 ANTI_ALIGNED ceiling)
tests/test_phi_alignment_probe.py
=================================
14 tests covering #000034 §3.2 + the strict-input-validation surface:
- Determinism (verdict + ratio stable across calls within Lanczos
float tolerance — eigsh uses randomized initial vectors).
- Verdict thresholds (engineered cases land in correct bucket).
- Lanczos convergence (top-k matches dense decomposition on
synthetic diagonal Hessian within 1e-6).
- Module export shape (AlignmentReport JSON-serializable;
PROBE_VERSION + thresholds exported).
- Validation rejects: non-2D W, dim_d mismatch, k_top+k_bot >
dim_d, zero epsilon, zero-norm W, non-square H.
- KAT regression against the 30-entry fixture.
Tests skip via ``pytest.importorskip`` when ``[hessian]`` extras
absent, same fail-soft pattern as the ``[math]``-extras tests
for sympy.
pyproject.toml — new [hessian] optional-deps block
==================================================
Adds ``numpy>=1.26`` + ``scipy>=1.11`` under a new ``[hessian]``
extras gate. Same pattern as ``[math]`` for sympy: kept out of
core deps to keep fresh installs lightweight (~80 MB combined).
Operators install via ``pip install 'arborist[hessian]'``.
#000034 status flip
===================
Ticket §7: "open · awaiting go/no-go" → "in progress · Phase 1a
landed 2026-05-10; Phase 1b parks for v7 deployment ramp-up".
Phase 1b unchanged: closure criterion still requires a real v7
checkpoint measurement that resolves §9.1 of the soft-hash-
channel-analysis. TICKETS.md index row refreshed.
Hygiene
=======
- make test → 1669 passed, 45 skipped (was 1643; +14 anchor_prg
not in suite from Phase 1a, +14 phi_alignment from this
commit — wait, +12 net since some tests were dropped/renamed
in fox's parallel work. Bottom-line: 1669 stable.)
- make chain-check-shards → 0 across all 7 shards.
- arborist.substrate namespace untouched; this lands under
bench/scripts/ since it's a measurement tool, not a substrate
primitive — same dir as phi_alignment_probe's intended siblings.
Lands the M1 mitigation cryptographic primitive that ticket #000018
§5.2 + §9.2 specified, scoped per ticket #000035 §3.1-§3.3. Pure
stdlib (hashlib + hmac); no third-party dependency.
arborist/v7/__init__.py
=======================
First module landed under the v7 namespace. v7 plastic-training is
currently paper-stage (per #000037 §17.2); this is where its
deterministic primitives accumulate ahead of an active deployment
target so the building blocks are unit-tested + KAT-pinned the
moment v7 needs them.
arborist/v7/anchor_prg.py
=========================
Implements ``phi_prg(hard_hash_32, dim_h, *, seed) -> list[float]``
per #000035 §3.1. Construction is SP 800-108 KDF in counter mode
over HMAC-SHA-512:
Output(SEED, C(M), n_bytes) :=
i = 0
out = b""
while len(out) < n_bytes:
out += HMAC-SHA-512(SEED, C(M) || i.to_bytes(4, 'big'))
i += 1
return out[:n_bytes]
Float conversion: f(u32) := 2 * (u32 / 2**32) - 1
↑ uniform on [-1, 1)
Security argument from #000035 §2.1: HMAC-SHA-512 is a PRF under
the standard SHA-512 + HMAC assumption; distinguishing advantage
from random bounded by SHA-512 collision-resistance (~2^256), which
structurally matches the substrate's SHA-256 hard-hash family. The
seed is published, not secret — secrecy is not the security
property; the property is computational indistinguishability of the
output from random, which holds even when the seed is public.
Module exports ``PHI_PRG_VERSION = "phi-prg-v1-hmac-sha512"`` so
future algorithm rotations are detectable at the call site without
string-comparing module paths. Per #000035 risk §6.1, a
``phi_prg_version`` field in the v7 manifest will let future
deployments swap to a successor PRF without breaking historical
replay; this version string is the runtime-side mirror.
Hard-hash input length checked exactly at 32 bytes — silently
padding shorter input would break the PRF security argument.
``dim_h`` validated as positive int.
tests/test_anchor_prg.py
========================
20 tests covering #000035 §3.2 acceptance criteria + the strict
range invariant + the input-validation surface:
- Determinism: same (seed, hard_hash, dim_h) → identical floats.
- Range: every output in [-1, 1) with strict upper bound. Three
edge cases pinned: u32=0 → -1.0, u32=2^31 → 0.0,
u32=2^32-1 → just below 1.0.
- Chi² loose-uniformity: 4096-sample bin-test (df=15) with a
generous threshold (60); catches catastrophic PRG bugs (counter
cycling, mis-keyed HMAC) without claiming cryptographic-grade
evidence.
- Boundary: dim_h=1 + dim_h=16384 both produce sensible output.
- Avalanche, seed-bit: flip top bit of seed[0]; require 35-65% of
output bits flipped (PRF avalanche property).
- Avalanche, hash-bit: same surface for the hard-hash input.
- Validation rejects: short hashes, long hashes, non-bytes hashes,
zero / negative / non-int dim_h.
- Module export shape: PHI_PRG_VERSION + PLACEHOLDER_SEED.
- KAT regression: pinned vectors verified against
``bench/fixtures/phi-prg/known-answer-tests.jsonl``.
bench/fixtures/phi-prg/known-answer-tests.jsonl
================================================
10 KAT vectors generated against the placeholder seed + custom
seed/hash combinations; covers smoke (placeholder seed × small
dim_h), block boundaries (HMAC-SHA-512 blocks are 64 bytes, so
dim_h=16 is exactly one block, dim_h=17 is two blocks with
truncation), seed/hash one-bit-flip variants, and a 4096-element
stress sample.
Each row pins the SHA-256 of the raw byte stream (not the float
list) — that's the durable contract; switching from list[float] to
array.array('f', ...) or numpy arrays at the float layer would not
invalidate the fixture. Algorithm changes MUST bump
PHI_PRG_VERSION and create a new fixture file under
bench/fixtures/phi-prg/; old runs replay against old data per the
v7 spec replay discipline.
#000035 status flip
===================
docs/tickets/ticket-000035-prg-choice-phi-prg.md §7 updated from
"open · awaiting go/no-go" to "in progress · Phase 1 landed
2026-05-10". §7 now carries Phase 1 close-out details + Phase 2
gating criteria (active v7 deployment target + spec maintainer
review of §3.4 amendment text). The §3.4 v7 §9.10 amendment text
stays as the draft awaiting Phase 2 landing.
docs/TICKETS.md index row was already updated by fox in commit
ed470dc; my edit was idempotent.
Hygiene
=======
- make test → 1643 passed, 45 skipped (was 1623; +20 anchor_prg)
- make chain-check-shards → 0 breaks across all 7 shards
- arborist.v7 namespace picked up automatically by the existing
pyproject.toml [tool.setuptools.packages.find] include="arborist*"
glob; no setup change required.
- fox's in-flight #000037 ticket modifications + a parallel
#000031 ticket update left untouched.
Under fox "work all paths" directive, four orthogonal lifts:
(1) 14 Levin alias rows for pillar VII compound citations — each
Stanley/Brualdi/Knuth ref now has BOTH Bogart AND Levin as
substitute. Lifted +2 (hockey-stick + stars-and-bars).
(2) 6 Goedel multi-substitute aliases — Goedel citations now have
4 substitutes each (Peano, Russell IMP, Dedekind, SF-LF). Lifted
+4 pillar III records (Axiom of Zero / Distinctness / Addition-
Successor / Multiplication-Successor variants).
(3) 2 SF-LF alias rows for pillar I formal proof axioms (Mendelson +
Enderton -> SF-LF). SF Logic.v has 12 hits "excluded middle",
40 "existential", 1 "double negation". Lifted +2 (Existential
Introduction, Double Negation Elimination).
(4) Grinstead-Snell Introduction to Probability ingest (GFDL,
Dartmouth CHANCE Project). Initial LibreTexts BFS crawl thin
(24 chunks nav-only at depth=2). Switched to Dartmouth PDF
-> pdftotext -layout -> single-page HTML on localhost:8765
-> standard arborist html ingest. Result: 339 chunks of
substantive probability content. Lifted +1 (Inclusion-Exclusion).
New ingest pattern useful for any PDF-only textbook.
Per-pillar:
I: 10/13 -> 12/13 (+2)
II: 9/10 stable
III: 7/13 -> 11/13 (+4 — biggest win)
IV: 18/18 stable
V: 1/5 -> 2/5 (+1)
VI: 3/5 stable
VII: 9/14 -> 11/14 (+2)
IX: 11/14 stable
Total: 77/92 (84%)
7 term aliases registered (physics Newton-vocab + arithmetic Peano-
vocab) but most didn't lift — cascade picks different tokens than
my aliases target. Cascade tuning would require code work in
_build_record_query_cascade / _phrase_for_axiom. Deferred.
Cumulative day-of-2026-05-10: 18 -> 77 / 92 (+59 records, +64 pp).
15 records still stuck. Top blockers:
- Cascade-tuning for substrate-content-exists-but-FTS5-misses
(Kolmogorov 3 axioms, Newton third law, Vandermonde, Catalan,
Injectivity of Successor, etc.) — code work
- PM *24+ not transcribed (Russell's Paradox Resolution)
- Boehm-Jacopini esoteric (no PD substitute)
Three orthogonal lifts under fox 2026-05-10 "all of the above"
directive:
(1) 7 medium-confidence citation aliases per #000041:
Mendelson -> Russell IMP + De Morgan FNL + Boole Laws of Thought
Enderton -> Russell IMP + De Morgan FNL
Jech -> Cantor 1915 Contributions
Landau -> Russell IMP
Each row carries partial-coverage caveat in decision_rationale.
(2) Peano Arithmetices Principia 1889 ingested via existing
textbook_tex pipeline. Source: mdnahas/Peano_Book GitHub
repo (CC-BY-SA-4.0, Verheyen+Nahas English+Latin LaTeX).
paracol multi-column macros leak some residue but substantive
text extracts (39 chunks, 35 hits on "peano", 38 on
"arithmetic"). Make target textbook-peano. Manifest entry
peano-arithmetices-principia-1889. Plus 3 substitute-citation
aliases:
Landau -> Peano (lifts 2 pillar III records)
Goedel -> Peano (2 variant strings)
(3) Title-from-author backfill on Cantor / Russell IMP / Bogart /
Judson / Peano shards. Empirical defect: HTML/textbook_tex
sources took titles from <title> tags or URLs which on
Wikisource + PG do NOT include author surname, so the
resolver's _shard_matches_citation heuristic (requires
cited-author surname in title haystack) failed silently for
all alias-resolved chains where the substitute author wasn't
self-evident in the shard content. Surgical SQL UPDATE on
documents.title fixed it. Single biggest lift in this turn:
+13 records.
Per-pillar:
I: 4/13 -> 7/13 (+3, Russell IMP / Boole / De Morgan)
II: 0/10 -> 5/10 (+5, Cantor)
III: 0/13 -> 7/13 (+7, Peano + Russell IMP)
IV: 18/18 stable
V: 0/5 stable (Kolmogorov URAA-blocked)
VI: 3/5 stable
VII: 9/14 stable
IX: 5/14 stable
Total: 54/92 (59%)
Title backfill is a one-off SQL; the proper long-term fix is in
the source ingest pipelines (HTML / textbook_tex should pull
author from manifest's `author` field at ingest time and prepend
to document.title). Tracked under #000031 Phase 1 follow-up.
Three high-confidence alias decisions per fox 2026-05-10 + 14
full-string aliases for compound pillar-VII citations + a deeper
Newton recrawl.
Lift breakdown:
pillar IV (Hilbert): 18/18 unchanged
pillar VI (Goldstein/Newton): 0/5 -> 3/5 (+3)
pillar VII (Stanley/Bogart): 0/14 -> 9/14 (+9)
pillar IX (Dummit-Foote/Judson):0/14 -> 5/14 (+5)
Citation aliases live in ~/.arborist/shards/000.db (audit table per
#000041). 14 pillar-VII rows are full-string matches against the
compound source_ref strings (resolver looks up by exact source_ref;
parsed sub-citations are not yet alias-keyed individually).
Newton shard rebuilt: original `crawl_en_wikisource_org_newton.db`
followed Wikisource sidebar instead of book content (60 docs / 289
chunks of mostly nav cruft). Manifest now pins (1729) edition root
+ explicit subpage urls (Axioms_or_Laws_of_Motion, Definitions,
Rules_of_Reasoning_in_Philosophy); recrawl produced 120 docs / 779
chunks of actual Principia text in textbook_newton-principia-motte.db.
5 records stuck despite alias registered (FTS5 cascade misses):
Newton Third Law + Conservation of Momentum (modern vocabulary
absent from 1729 prose), 4 advanced pillar-VII identities (Hockey-
Stick, Vandermonde, Catalan, Stars-and-Bars — Bogart skews intro-
level), Orbit-Stabilizer (Judson covers it but cascade doesn't
surface). Tractable one-by-one; deferred.
Pillars I/II/III/V/lambda subset of IX still 0/X — those need
medium-confidence alias decisions (Mendelson/Enderton -> Russell IMP,
Jech -> Cantor) or Phase 4 textbook acquisitions (Landau, Goedel,
Kolmogorov, Church) under #000038.
Adds Cantor (Jourdain 1915 transl., PD), De Morgan First Notions of
Logic (PG #67017, PD), Russell Introduction to Mathematical Philosophy
(PG #41654, PD), and Judson Abstract Algebra Theory and Applications
(GFDL-1.3) to the textbook manifest, plus per-book make targets +
a `textbooks-base-knowledge` bulk target. Idempotent at DB layer.
These four primaries cover the proprietary citations across pillars
I/II/III/IX (Mendelson, Enderton, Jech, Barendregt, Dummit-Foote)
that dominate the 74 unresolved claim-pack records. They land as
honest "no match" under the existing resolver `_shard_matches_citation`
heuristic (cited-author surname required) — full lift gates on
fox citation-alias decisions per #000041.
Total ingest delta: 43 docs / 295 chunks across four crawl shards.
Bench journal under bench/results/textbook-base-knowledge-upgrade-2026-05-09.md
records per-book license rationale, projected lift table, and the
remaining #000038 acquisition gaps (Hilbert-Ackermann, Landau,
Gödel, Kolmogorov, Church) for which no clean PD HTML edition was
located in this session.
Three concrete improvements to the textbook ingest layer:
Per-book make targets
=====================
- `make textbook ID=<id>` — generic, looks up one entry from the
manifest and runs the right ingest path (BFS crawl if
`crawl_url` is set, shallow URL ingest otherwise).
- `make textbook-list` — list ingestable textbook ids.
- Convenience targets per active manifest entry:
textbook-bogart, textbook-keller-trotter, textbook-levin,
textbook-aristotle-prior, textbook-aristotle-posterior,
textbook-newton, textbook-morin
Each per-book target writes to a dedicated shard at
`$(CRAWL_SHARDS_DIR)/textbook_<id>.db` — one shard per textbook
id rather than one per host (which would conflate multiple
Wikisource books — Aristotle Prior, Posterior, Newton — into
one shard).
The manifest helper script gains `ids` and `lookup <id>`
subcommands so the Makefile can introspect manifest entries
without grep gymnastics.
Idempotency contract documented
================================
Every ingest path is content-addressed. Same content →
same `document_root` → no-op insert. Re-running `make textbook-*`
or `make crawl-textbooks` on the same network state is safe at
the database layer — no duplicates, no schema drift, no
audit-event proliferation. HTTP refetch happens every run; pair
with `make recrawl-check` for a HEAD-only freshness probe.
README rewritten to make this contract explicit, with shard-
layout table + crawl-delay caveats consolidated.
Vital-books checklist
=====================
The README now carries a g4-pillar coverage table:
Pillar I Logic ✓ Levin + Aristotle Prior + Posterior
Pillar II Set Theory ✓ Levin
Pillar III Arithmetic ✓ Levin
Pillar IV Geometry ✗ Hilbert PG #17384 (PDF/TeX only)
Pillar V Probability ✗ Kolmogorov license analysis pending
Pillar VI Phys. Newton ✓ Newton Principia Motte
Pillar VII Combin. ✓ Bogart + Keller-Trotter + Levin
Pillar IX λ-Calculus ✗ Church + Turing 1936 papers pending
5 of 7 pillars now have surface coverage. The remaining gaps
are explicit license (V) or format (IV PDF/TeX, IX paper-level)
issues, each documented in the corresponding manifest entry's
notes field.
Test suite stays at 1554 passed / 28 skipped — no source-code
changes to arborist itself; the textbook layer is pure tooling
on top of the existing pipeline.
Per the #000031 implementation track — surface-ingest cited
textbooks for warrant promotion of claim-pack records. Five new
manifest entries spanning the PD-scope additions plus
license-fail placeholders for citation traceability:
newton-principia-motte (PD)
Newton's Mathematical Principles of Natural Philosophy
(Motte 1729 / Motte-Cajori 1846 English translations) via
Wikisource. Crawled @ depth=2: 60 docs, 289 chunks, 10K
edges. FTS5 spot-checks: "law of motion" → top hit on the
1729 Motte title page; "gravitation" → Newton-titled
chapters in the Wikisource Physics category. Cited by
claim-pack pillar VI.
aristotle-posterior-analytics (PD)
Mure / Owen translations via Wikisource. Crawled @ depth=1:
20 docs, 71 chunks. FTS5: "syllogism" → Posterior Analytics
Bouchier + Owen translations as top hits. Companion to
Prior Analytics already in the manifest; together cover
pillar I logic axioms.
kolmogorov-foundations-probability-1933 (placeholder)
German original PD-by-age in EU; US copyright restored via
URAA through life+70 (Kolmogorov d.1987 → US PD 2058).
Morrison 1956 English translation: Chelsea Publishing
copyright. Entry kept with empty urls field for citation
traceability; license analysis pending.
lukasiewicz-aristotle-syllogistic-1951 (proprietary placeholder)
Oxford University Press, copyright through life+70
(Łukasiewicz d.1956 → PD 2027 EU, longer US via URAA). NOT
redistributable. Kept as a license-fail placeholder; the
1921 Polish primary papers are themselves PD by age but
lack accessible HTML editions.
License-validator drive-by
==========================
The textbooks_manifest.py validator now treats placeholder
entries (urls + crawl_url both empty) as exempt from the
allow-list license check. License discipline stays fail-closed
at the URL-emit step — placeholders without URLs raise no
exception under any license token, so we can document
yellow-light proprietary citations (Mendelson, Enderton,
Łukasiewicz) without hacks.
Coverage summary post-commit
============================
g4 pillar | textbook coverage
─────────────┼─────────────────────────────────────────────────
I Logic | Levin (CC-BY-SA), Aristotle Prior + Posterior (PD)
II Set Theory| Levin (CC-BY-SA)
III Arithm. | Levin (CC-BY-SA)
IV Geometry | (Hilbert PG #17384 placeholder — PDF/TeX only)
V Probability| (Kolmogorov 1933 license analysis pending)
VI Phys. | Newton Principia Motte (PD)
VII Combin. | Bogart (GFDL), Keller-Trotter (CC-BY-SA), Levin
Out-of-scope follow-ups: PDF/TeX source support (#000031 §5),
Mendelson + Enderton license decision (#000031 §2.1),
chunk-resolution + derivations.proof_blob warrant promotion
(separate ticket).
The first iteration of this layer landed scaffolding plus shallow
seed-URL ingest, which produced 300-1000 byte stubs (front matter
+ nav chrome only) instead of real book content. Fox flagged
that as the wrong outcome — we were supposed to track down the
actual texts.
This commit fixes it by adding the deep-ingest path: each
manifest entry now carries `crawl_url` + `crawl_depth` +
`crawl_max` fields, and `make crawl-textbooks` iterates them
through the existing BFS crawler (one shard per host).
Manifest changes
================
Three URL fixups uncovered by the first crawl attempt:
- PreTeXt textbooks (Bogart, Keller-Trotter, Levin) ship an
`index.html` that's a 1-line meta-refresh redirect; the BFS
crawler doesn't follow meta-refresh, so the seed URL has to
point at the actual content entry (`frontmatter.html`,
`app-comb-2.html`, `ctgd/index.html`).
- Open Data Structures uses trailing-slash directory paths
(`/ods-cpp/`, `/ods-python/`, `/ods-java/`), not `/ods-cpp.html`.
- `appliedcombinatorics.org` declares `Crawl-Delay: 20` in
robots.txt — full BFS takes ~25 minutes; documented in the
manifest entry's notes so operators know to background it.
Hilbert + Boole stay flagged as `urls: []` placeholders because
PG eBooks #17384 + #15114 ship as PDF/TeX only (no HTML format).
Their `tex_url` + `pdf_url` fields are now preserved on the
entry for the future PDF/TeX source ticket.
Make targets
============
- crawl-textbooks — BFS-crawl every entry with `crawl_url`
- crawl-textbooks-stats — docs/chunks/size summary across crawl shards
Helper script: `bench/scripts/textbooks_manifest.py crawl-targets`
emits one tab-separated `<url>\t<depth>\t<max>\t<id>` row per
entry that declares a `crawl_url`.
Real-content verification
=========================
Crawl results across 4 of 5 textbooks (Keller-Trotter still
running in background due to crawl-delay; expected to complete
in ~25 min):
crawl_bogart_openmathbooks_org.db docs=44 chunks=161 971 KB
crawl_discrete_openmathbooks_org.db docs=51 chunks=376 1929 KB
crawl_en_wikisource_org.db docs=30 chunks=110 1651 KB
crawl_opendatastructures_org.db docs=64 chunks= 84 1110 KB
TOTAL 189 docs, 731 chunks
FTS5 spot-checks confirm substantive content landed:
- Bogart "binomial coefficient" → "CTGD Partitions and Stirling
Numbers" chapter, top hit
- Levin "modus ponens" → "Propositional Logic" chapter, top hit
That's the real lift signal we were after. Out-of-scope
follow-ups remain: PDF/TeX support for PG editions (Hilbert,
Boole) and full Aristotle Owen-translation depth (currently
~75% complete on Wikisource).
First make fetch-textbooks run revealed three URL issues that the
license-validator catches as policy-correct but the underlying
hosts return as 404:
- Keller-Trotter applied-combinatorics.org used a stale
/appcomb/sec_pre.html path; the canonical PreTeXt-generated
book lives at /book/app-comb-2.html.
- Open Data Structures uses /ods-cpp/ /ods-python/ /ods-java/
trailing-slash directory paths, not /ods-cpp.html (404). Three
language editions of the same content; ingest all three so the
multi-language structure stays intact.
- Hilbert Foundations of Geometry on Wikisource resolves to a
1906 Popular Science Monthly article ABOUT Hilbert's work, not
Hilbert's translated text. Project Gutenberg eBook #17384 is
PDF/TeX only — no clean HTML edition exists. Same status as
Boole #15114: kept the entry as a placeholder for license +
provenance documentation, urls intentionally empty until PDF
source support lands (out of scope per #000031).
Final fetch result: 7/7 manifested URLs ingested (Bogart,
Keller-Trotter front matter, Levin front matter, Aristotle Prior
Analytics, ODS C++, ODS Python, ODS Java) — 7 docs / 7 chunks /
86 edges / 8/8 Merkle proofs verify (verify samples 8 because
Aristotle yields multiple chunks).
Two textbooks (Hilbert + Boole) carry zero URLs; the helper
script's allow-list passes them through (license is PD;
license_url is set) but emits no URLs since their `urls` array
is empty. Documents this gap explicitly in each entry's notes
field so future operators see what awaits PDF source support.
Front-matter URLs alone yield minimal indexable content per
textbook (PreTeXt single-chapter scaffolds). To grow real
coverage: append more chapter URLs to a textbook's `urls`
array, OR use `make crawl-ingest URL=<home>` per the README's
"Going deeper" section.
A make-target scaffold for pulling public-domain and copyleft-
redistributable textbooks into a dedicated arborist shard via the
existing HtmlPageSource ingest pipeline. No new ingest machinery —
the existing path (robots.txt → noise-strip → 512-token chunk →
Merkle root → audit-event) IS the consistent process.
Manifest format
===============
bench/fixtures/textbooks/manifest-v1.jsonl — one JSON record per
textbook with explicit license tokens (PD / CC-BY / CC-BY-SA /
GFDL / OSI-approved). Fail-closed validation in
bench/scripts/textbooks_manifest.py refuses to emit URLs from
entries with missing or disallowed license tokens, so license
discipline surfaces at the URL-emit step rather than getting
silently buried in a fetch run.
Allow-list excludes CC-BY-NC (incompatible with arborist's
AGPLv3 distribution profile) and CC-BY-ND (no-derivatives
prevents chunking). Wilf's generatingfunctionology stays out
because its educational-use license forbids rehosting; citable
but not redistributable.
Initial entries (7 textbooks, 8 seed URLs)
==========================================
- Bogart, Combinatorics Through Guided Discovery — GFDL-1.3
- Keller & Trotter, Applied Combinatorics — CC-BY-SA-4.0
- Levin, Discrete Mathematics: An Open Introduction (3rd ed) —
CC-BY-SA-4.0 (4th ed switched to NC; pin 3rd)
- Hilbert, Foundations of Geometry (Townsend 1902) — PD via PG
- Boole, An Investigation of the Laws of Thought (1854) — PD
- Aristotle, Prior Analytics (Jenkinson) — PD via Wikisource
- Morin, Open Data Structures — CC-BY-2.5
Covers pillars I (logic) / II (set theory) / III (arithmetic) /
IV (geometry) / VII (combinatorics) on the claim-pack
(#000029) layout, plus a CS anchor for downstream domain
expansion. Each entry's pillar_targets field lists which
claim-pack pillars its records are candidate citations for.
Make targets
============
- textbooks-summary — license + URL counts per entry
- textbooks-urls — flat URL list to stdout
- fetch-textbooks — ingest all manifested URLs into
$(TEXTBOOK_DB) (default
~/.arborist/textbooks.db)
- textbooks-stats — documents / chunks / edges
- textbooks-verify — sample Merkle proof verification
To grow coverage of one textbook: append more chapter URLs to
its `urls` array. For deep-BFS of a textbook home: use the
existing `make crawl-ingest URL=<base> DEPTH=N` instead.
Smoke-tested end-to-end against Wikisource Prior Analytics:
1 doc / 1 chunk / 12 outbound edges / Merkle proof passes.
Shows the pipeline works; populating each book to depth needs
either more URLs in the manifest or the crawler.
Out of scope
============
- PDF processing. The Internet Archive hosts PD textbooks
(MacMahon's Combinatory Analysis 1915, Whitworth's Choice
and Chance 1867, the Motte 1729 Principia) as scanned PDFs;
a TextbookPdfSource with pdftotext / pypdf extraction is a
separate ticket — current scope is HTML-shaped sources.
- Mendelson + Enderton (proprietary; await #000031 §2.1
decision).
- Wilf generatingfunctionology (license forbids redistribution).
Test suite stays at 1554 passed / 28 skipped — no source-code
changes to arborist itself; the textbook layer is pure tooling
on top of the existing pipeline.
Three streams. Two land in the repo; one lands in fox's Downloads
(existing g4 packs live there too).
Witness sweep automation
========================
`bench/scripts/witness_sweep_cron.sh` — schedulable harness that
runs `make bench-witness-sweep` + `make bench-witness-divergence`
back-to-back and (with --commit) auto-commits any new divergence
fixtures + sweep result. Fail-closed: pre-commit hook failure
aborts; non-main-branch refuses to commit.
$ bench/scripts/witness_sweep_cron.sh # dry run
$ bench/scripts/witness_sweep_cron.sh --commit # auto-commit
$ bench/scripts/witness_sweep_cron.sh --commit --push # full pipeline
Recommended cron (every 6 hours; LLM cost scales with frequency):
0 */6 * * * \
bench/scripts/witness_sweep_cron.sh --commit --branch main \
>> /var/log/arborist-witness.log 2>&1
Smoke this commit: dry-run produced 5 fresh divergences (10
cumulative across two extraction passes). The witness-sweep + 5F
extractor pipeline runs unattended now; calibration-data corpus
will grow over time.
#000018 — adversarial soft-hash covert-channel analysis
========================================================
`docs/soft-hash-channel-analysis.md` — formal threat model + channel-
capacity definition + cryptographic reduction + mitigation table
+ residual analysis. Doc-only deliverable per the ticket's hard
constraint.
Headline result: under threat models T1 (data poisoner) and T2
(gradient adversary), the channel is bounded by SHA-256 partial-
preimage hardness when φ (the anchor map) is independent of
parameter geometry. T3 (hyperparameter adversary) requires
M2 (per-checkpoint anchor nonce) for boundedness.
Recommended mitigation: M2 (per-checkpoint nonce) — 32 bytes added
to the snapshot manifest, no training-ergonomics regression,
closes T1+T2 channels under any φ choice and bounds T3 by
per-checkpoint window. Fall back to M1 (PRG-based φ) if M2-only
deployment surfaces structural concerns. M3 (drop anchor entirely)
stays in reserve as the strict-construction fallback.
Three open questions (§9): Hessian alignment under φ_linear,
PRG choice for φ_PRG, and explicit T3 per-window bound. Each is a
follow-up ticket.
Ticket #000018 status: closed · landed 2026-05-09 (analysis doc).
v7 § 9.10 spec amendment proposed in §7 of the analysis.
#000033 — pillar VII (combinatorics), Claude-authored
======================================================
NOT committed to the arborist repo (the existing g4-v2 packs live
in `/home/fox/Downloads/` too — that's the operator's bundle
location). Two new bundle files at:
/home/fox/Downloads/axiomsclaude-vii-v1.json (7 axioms)
/home/fox/Downloads/theoremsclaude-vii-v1.json (7 theorems)
Pillar VII covers combinatorial counting — the gap between Grok's
pillars VI and IX in the v2 packs:
axioms (7): addition principle · multiplication principle ·
pigeonhole principle · factorial definition ·
binomial coefficient definition · Pascal's rule ·
empty-set / boundary axiom
theorems (7): binomial theorem · inclusion-exclusion (counting
form) · hockey-stick identity · Vandermonde's
identity · Catalan number closed form · stars-and-
bars · strong pigeonhole
Each record in the dual-thread format the existing g4 packs use
(Δ symbolic LaTeX + ∇ verbose prose + ∇ concise + sigil + formal
language + role + status + source_reference + date + foundational
group + category + subfield). Per fox's directive: explicit
authorship metadata everywhere — `authored_by: Claude (Anthropic)
— model claude-opus-4-7`. NOT Grok-generated; no silent invention.
Each record carries `pi_star_ref: combinatorics@v1` so the kernel
binding is explicit. Theorems list `depends_on_axioms` arrays so
each theorem cites the foundation axioms it bottoms out on.
Smoke test (committed alongside):
$ arborist --db /tmp/test.db ingest --source claim_pack \\
--bundle /home/fox/Downloads/axiomsclaude-vii-v1.json \\
--bundle /home/fox/Downloads/theoremsclaude-vii-v1.json
→ 14 docs, 14 chunks, 0 cross-bundle edges
Source attributions: Stanley EC1, Brualdi Introductory
Combinatorics, Knuth TAOCP Vol 1, plus historical sources where
applicable (Pascal 1654, Vandermonde 1772, Dirichlet 1834, Catalan
1838, Feller 1950 for stars-and-bars).
Tests: 1636 passed, 37 skipped (no regressions; pillar VII
ingestion smoke covered above).
Three small streams:
#3 — close#000030 properly
============================
All 7 phases + Phase 1b landed across two commits (`04f3f5d`,
`abe5988`). Status header updated; ticket body now carries a phase
landing table with commit refs:
Phase 1 algebra-symbolic@v1 04f3f5d
Phase 1b algebra-symbolic-simplified@v1 04f3f5d
Phase 2 calculus-derivative@v1 04f3f5d
Phase 3 calculus-integral@v1 fox-direct
Phase 4 calculus-limit@v1 abe5988
Phase 5 calculus-series@v1 abe5988
Phase 6 linear-algebra@v1 abe5988
Phase 7 function-sampled@v1 abe5988
Plus tabular-pinned@v1 (last reserved stub) graduated in abe5988
closes the registry chapter — 15 concrete π*'s, no remaining
reserved stubs. Index updated.
#5 — composition fixtures across new SymPy π*'s
================================================
12 new tests in tests/test_pi_star_compositions.py covering pairs
that compose naturally:
- algebra-symbolic ∘ algebra-symbolic — idempotency check (running
expand twice equals expand once for any expression).
- algebra-symbolic ∘ algebra-symbolic-simplified — Pythagorean
identity collapses (`sin(x)**2 + cos(x)**2` → `Integer(1)`).
- Generic invariants: composition propagates PiStarError; manifest
fingerprint is order-sensitive; composite domain == inner domain;
composite bytes == manual chain bytes.
Test discipline: most compositions use `register_in_registry=False`
via a small `_safe_compose()` helper since the registry rejects
duplicate keys (#000015 invariant), so test ordering would
otherwise matter. Only the registration-test path uses real
compose().
#4 — end-to-end witness sweep against real shards + Hermes
===========================================================
New script `bench/scripts/witness_sweep.py`. Fires 8 canonical-shape
questions (3 arithmetic + 3 logic + 2 algebra) through query() with
`canonical_witness_enabled=True`, against ~/.arborist/shards (real
shard cluster) + the actual Hermes endpoint (NOT StubClient).
Records the agreement matrix per question to
bench/results/witness-sweep.json.
`make bench-witness-sweep` Makefile target. Honors
`ARBORIST_SHARDS_DIR`.
First real sweep (this commit, against Hermes-3-8B):
agreement label count rate
KERNEL-LLM-DIVERGED 5 62.5%
KERNEL-LLM-AGREE 3 37.5%
───────────────────────────────────────────
divergence_count 5 62.5%
wall median / max 130 ms / 1.1 s
Hermes diverged on 5/8 of the canonical-shape questions:
- said `1/10` for `0.1 + 0.2` (kernel: `3/10`)
- said `TRUE` for `A IMPL B` (kernel: `(NOT A OR B)`)
- said `(x+1)**2` for `x**2 + 2*x + 1` (kernel: `(x+1)**2` already
expanded — but Hermes ALSO
emitted the unexpanded form
when given the expanded
form, vs the kernel's
deterministic expand)
- and 2 more.
These are real LLM hallucinations on questions with closed-form
ground truth — exactly the calibration-data stream #000028
imagined. Pipeline validated end-to-end against actual hardware.
Pair: `make bench-witness-divergence` then extracts the 5
divergences as 5F-Falsification fixtures
(bench/fixtures/5f/falsification-witness-v1.jsonl, also committed).
Re-running the extractor produces byte-equal output (idempotency
contract from the extractor work).
Tests
=====
Full suite: 1636 passed, 37 skipped (was 1624; +12 composition
tests). The witness-sweep + extractor produce real artifacts now
committed under bench/results/ and bench/fixtures/5f/.
A new π* kernel that canonicalizes pure-integer counting
expressions and FAILS CLOSED on any input whose result isn't a
non-negative sp.Integer. Tighter domain than algebra-symbolic@v1,
which already accepts the same input surface but happily returns
symbolic / negative / non-integer outputs.
Distinguishing feature versus algebra-symbolic@v1:
algebra-symbolic@v1: binomial(n, k) → "binomial(n, k)" (symbolic
passthrough)
combinatorics@v1: binomial(n, k) → PiStarError (fail-closed
on free-symbol output)
algebra-symbolic@v1: binomial(Rational(1,2), 3) → 1/16 (rational)
combinatorics@v1: binomial(Rational(1,2), 3) → PiStarError
(output not Integer)
Boundary kept explicit: binomial(-3, 2) = 6 IS accepted because the
output is an integer 6. The fail-closed rule is on output shape
(Integer ≥ 0), not input range. Documented as
test_generalized_binomial_negative_args_accepted_when_integer.
Output format: plain decimal literal (b"10", b"5040"). Composes
with arithmetic@v1 for byte-identical agreement with the rational
route (b"10/1") so the multi-modality witness (#000028) can pin
equivalence-class agreement when both routes fire on the same
question.
Allowed surface (via SymPy primitives): binomial, factorial, ff /
rf (falling/rising), catalan, bell, partition, stirling, plus
arithmetic compositions over those primitives
(3*binomial(5,2) + factorial(4) = 54).
Coverage:
- 43 unit tests including binomial symmetry C(n,k)=C(n,n-k),
Pascal's rule C(n,k)=C(n-1,k-1)+C(n-1,k), the C(n,k) =
factorial(n)/(factorial(k)·factorial(n-k)) identity,
fail-closed paths (symbolic/negative/non-integer/relational/
parse), round-trip idempotence, composition with arithmetic@v1.
- 10 syntax + 12 semantics bench fixtures, 100% pass.
- bench/batteries/base.py PHASE_1_CARRIERS gains "combinatorics".
- Makefile bench-5s-combinatorics target.
All gate on pytest.importorskip("sympy") so a sympy-less suite
stays green. Full make test: 1537 passed / 28 skipped.
Sequencing rationale honored: this kernel lands FIRST so that
#000033 (claim-pack pillar VII for combinatorics) can bind its
records to the tighter integer kernel from day one — avoids
rebind churn on pi_star_ref fields.
tabular-pinned@v1 + calculus-limit@v1 + calculus-series@v1 +
linear-algebra@v1 + function-sampled@v1 — all reserved stubs
graduated; the π* registry is now 15 concrete kernels with no
remaining reserved-stub entries.
#000030 Phase 4 — calculus-limit@v1
====================================
sp.limit with thread-timeout. One-sided dir support (+/-/+-).
Pinned spelling for infinity cases: b"+oo" / b"-oo" / b"zoo"
(complex infinity) — bypasses sp.expand since Infinity isn't
algebraic. Finite results re-canonicalize through algebra-symbolic
recipe (sp.expand + sp.srepr). Unevaluated cases / timeouts emit
b"unevaluated:" + sp.srepr(<Limit>) sentinel, mirroring
calculus-integral's pattern.
#000030 Phase 5 — calculus-series@v1
=====================================
sp.series(f, x, x0, n).removeO() → sp.expand → sp.srepr. Drops
O(x**n) remainder explicitly so the canonical form is finite-byte.
Sentinel format mirrors limit/integral: b"unevaluated:Series(...)"
on timeout. n must be a positive int; 0 / float / negative rejected.
#000030 Phase 6 — linear-algebra@v1
====================================
Single π* covers the whole linear-algebra surface via {op, matrix}
JSON. Ops: rref / det / eigenvalues / inverse. Matrix cells go
through Fraction(Decimal(str(...))) for floats so 1, 1.0, "1.0"
all collapse to Rational(1, 1) — matching arithmetic@v1's
discipline. Without this fold, sp.sympify keeps floats as Float
(separate type) and downstream det/inverse return Float-shaped
bytes. Eigenvalues are sorted by srepr for determinism.
Output formats:
rref / inverse: rows/cols header + cells joined by | (rows by ||)
det: det:<num/den-or-srepr>
eigenvalues: eigenvalues:<value-1>x<mult-1>|...
#000030 Phase 7 — function-sampled@v1
======================================
Bridge to time-series-quantized@v1. SymPy expression + linspace
grid → quantized integer-vector signature in time-series's exact
output format (dt=...;dv=...;n=...;t0=0:v0|v1|...). Two functions
that render identically (within sample-grid tolerance) collapse
to the same canonical bytes. This is what plotting CAN become
in π* terms — the PNG render is a downstream view of the same
canonical evidence.
Math-only sampler (no numpy in the dep surface); Python's round()
is banker's-rounding so the bytes are interchangeable with
time-series-quantized@v1's output. Complex / non-finite samples
raise PiStarError rather than silently dropping imaginary parts.
tabular-pinned@v1 — last reserved stub graduates
=================================================
JSON-rows input ({schema, key_columns, rows}); declared
key_columns sort policy (stable sort by primary-key tuple);
type-fold per column (int/rational/bool through arithmetic@v1
discipline; str verbatim; bool normalized). Header case is
PINNED EXACT — Excel and PostgreSQL both care about case;
defaulting to lowercase-fold would break operator expectations.
Output: header (schema + key + n) + rows joined by \n + cells by |.
The π* registry has no remaining reserved stubs. Every modality
the substrate paper reserved is now real.
Test suite: 1568 passed (was 1467; +101). New closure-criterion
test (test_no_stub_pi_stars_remain) replaces the old reserved-stub
parametrize — adding a future stub re-opens this list.
110/110 fixtures pass across the 5 new bench-5s-* targets.
PHASE_1_CARRIERS gained calculus / linear-algebra / function-sampled
/ tabular.
Three small streams in one commit; each closes / expands a
recently-landed ticket without changing its hard contract.
#000026 Phase 3 wiring — authorship warrant ladder visible
============================================================
Phase 3 sidecar (arborist/qa/warrant_authorship.py landed in 60b5748)
exposed the classifier but didn't surface it. Two wirings:
- arborist/qa/inspect.py — diagnose_authorship_warrant runs against
the cached row's question + answer + per-source raw chunks +
URIs + titles; result lands as `authorship` field alongside the
other sidecars.
- arborist/cli.py _render_warrant_tail — appends ` · warrant:
<readable-tier>` when result['authorship'] is populated with a
non-quiet tier. AUTHOR_COPYRIGHT_FOOTER → "copyright-footer", etc.
NO_AUTHORSHIP_SIGNAL stays silent. Backward-compat: results
without an `authorship` key render unchanged.
Tests: 3 inspect-path tests (no-signal, copyright-footer,
repository-owner) + 4 render-tail tests (presence, no-signal
silence, missing-key silence, all-six-tiers readable mapping).
#000028 follow-ups — capital ledger + sample-rate
==================================================
Two policy fields layered on top of canonical_witness_enabled:
- canonical_witness_sample_rate (0.0..1.0; default 1.0). Operators
wanting passive calibration set 0.05 to fire witness on 5% of
canonical questions while paying 5% of LLM cost. 0.0 effectively
off; 1.0 = current always-on behavior. Gating uses random.random()
so distribution is uniform; clamped to [0, 1].
- Capital ledger row written for each FIRED witness (not skipped
ones). op_type='canonical_witness'; estimator inputs include
prompt_chars + answer_chars + llm_seconds + agreement_label +
pi_star_ref. Best-effort: ledger-write failure must never fail
the query (sidecar discipline).
Tests: 4 new — sample_rate=0.0 skips (no LLM call, no ledger row);
sample_rate=1.0 always fires; capital_ledger row written under
op_type='canonical_witness' with full input blob; sampled-out
witness records zero ledger rows.
Both fields fold into governance_policy_hash naturally via the
existing policy-hash machinery — flipping witness mode invalidates
prior records as expected.
#000025 Phase 1d — 5F fixture catalog 30 → 50
==============================================
Both synthetic and live sides of all 5 sub-batteries expanded
30 → 50 (+200 fixtures total: 5 × 20 synthetic, 5 × 20 live).
function — claim_count cycles 2..7 across new fixtures
falsification — 10-violation palette across new ids
feedback-loop — fact-N learning chains
finetuning — capability transitions across canonical π*
(math/logic/algebra/calculus pool)
formulate — multi-pointer claim shapes
500/500 pass through respective runners. test_session_integration
total bumped 562 → 662. Pinned test_5f_*_runs counts updated 30 →
50 (synthetic main + embedded + live).
Tests
=====
Full suite: 1467 passed, 36 skipped (was 1388; +79 across warrant
render + witness sample/ledger + 5F implicit coverage).
Two new π* canonicalizers extend the math substrate above
arithmetic@v1 (closed-form rationals) and logic-kernel@v1
(propositional Boolean → CNF):
algebra-symbolic@v1 (Phase 1) — symbolic-algebra domain.
sp.expand → sp.srepr canonical bytes. Polynomial identity collapses
((x+1)**2 ≡ x**2 + 2*x + 1); exponential identity collapses
(exp(a+b) ≡ exp(a)*exp(b), inherited from sp.expand's default
behavior); trigonometric identity does NOT collapse
(sin²+cos² ≢ 1). The trig surface is reserved for a future
algebra-symbolic-simplified@v1 variant that wraps sp.simplify at
unbounded CPU cost. Rejects relationals (`x > 0`) and
BooleanFunction shapes (`x & y`) via `isinstance(expr, sp.Expr)` —
sp.Symbol confusingly inherits from Boolean so the right rejection
filter is "not Expr" rather than "Boolean".
calculus-derivative@v1 (Phase 2) — calculus domain. JSON-shaped
{f, x, n} input → sp.diff → sp.expand → srepr bytes. Output is
itself a valid algebra-symbolic@v1 input so the two compose
naturally under arborist.pi_star.compose. n defaults to 1; bools
explicitly rejected (Python isinstance(True, int) is True so we
filter that explicitly).
Optional dependency: sympy ships in the new [math] extra
(pyproject.toml). Folded into [dev] so make bootstrap pulls it
transitively. An explicit `bootstrap-math` Makefile target documents
the opt-in for minimal-install users. Both modules self-guard
via `try: import sympy as sp / except ImportError: sp = None` and
only register(...) when sympy is present, so a fresh checkout
without [math] still loads arborist.pi_star without raising.
Preflight algebra route lands in
arborist.qa.query._canonical_projection_preflight between the
arithmetic and logic routes. Charset regex (_CANONICAL_ALGEBRA_RE)
allows lowercase letters + math chars; requires at least one
letter (else arithmetic wins); rejects natural-language leading
verbs via _CANONICAL_ALGEBRA_NL_LEAD_RE (4-letter minimum so
single-/two-/three-char identifiers like x, xy, sin, cos, pi
survive while "simplify (...)", "factor x...", "expand (a+b)..."
fall through). PiStarError + KeyError both fall through cleanly
so a sympy-less install just routes everything past algebra.
Bench substrate:
- bench/batteries/base.py PHASE_1_CARRIERS gains "symbolic_algebra"
- bench/fixtures/5s/syntax-algebra-symbolic-v1.jsonl (10 fixtures)
- bench/fixtures/5s/semantics-algebra-symbolic-v1.jsonl (13 fixtures
including the documented trig non-collapse + exp collapse)
- Makefile bench-5s-algebra target → 100% pass
Tests: 18 algebra-symbolic + 38 calculus-derivative unit tests +
~10 new preflight-route tests in test_canonical_projection.py. All
gate on pytest.importorskip("sympy") so a sympy-less suite stays
green. Full suite: 1369 passed / 27 skipped.
Phases 3-7 (integral, limit, series, linear-algebra,
function-sampled) remain open as future work; each lands as its
own ticket when an actual consumer surfaces.
Two fan-out streams. Both bear directly on the ticket's "search
latency on real shards" headline finding.
## Lazy concept_relations loading
Phase 1 (migration memoization) cut SQLite executes 65% but warm-
cache wall barely moved. cProfile pinned the next hotspot:
synonym_expand 2.8 s × 2 calls + _load_token_idf 0.3 s. The eager
loader dumped all ~290 K concept_relations rows on first call —
the price of being able to answer ANY future question without
re-querying. Wrong tradeoff for single-query CLI use.
Refactored arborist/concepts/query.py:
- New _load_neighbors_for(shards_dir, tokens) — targeted
WHERE token IN (...) OR target IN (...) query. Returns just the
direct synonym neighborhood for the given tokens (~300 rows for
a typical 5-token question, vs 290 K for the full table).
- New _load_rivalry_rows(shards_dir) — process-wide cache of the
~2-row rivalry-relation set; near-zero cost.
- New _load_idf_for(shards_dir, tokens) — IDF only fetched when
expansion exceeds max_total (the cap). Most queries never reach
the truncation branch and skip IDF entirely.
- Per-token process-wide neighbor cache so multi-query bench scripts
don't re-query tokens already seen.
- synonym_expand and rivalry_excluded refactored to use the lazy
loaders. Eager _load_indices / _get_indices kept for any
back-compat caller; not used by hot paths.
- invalidate_cache() clears all three caches.
All 14 concept tests pass unchanged — the contract is preserved.
Re-profile of `who wrote virt-back?` against ~38 GB of real shards
(warm cache):
metric pre-fix post-Phase-1 post-lazy-concepts
wall_ms 14,500 13,400 9,300 (-36%)
search_ms 9,900 10,600 5,000 (-49%)
SQLite executes 10,623 3,687 3,708 ~same
synonym_expand 2,966 2,840 ~0 (lazy hit)
Search target was <5 s; we hit 5.0 s on the warm path. Cold cache
should drop further (the 290 K-row dump was disk-bound).
## Real-shard baseline artifact (Phase 2)
bench/scripts/real_shard_baseline.py — runs an 8-question fixture
through the full query() pipeline and emits:
- bench/results/real-shard-baseline.json (durable; commit_sha,
shards_fingerprint, per-query rows, summary)
- bench/results/real-shard-baseline.md (human-readable summary)
Question set in bench/fixtures/real-shard-baseline-v1.jsonl:
virt-back, France, Mac OS X, Linux, Microsoft, AMD/Intel
(rivalry path), and two canonical-projection cases (math + logic
preflight short-circuit).
First baseline run (commit e78814c plus this fan-out, BURN=1):
audit_mode n notes
STRICT 4 (virt-back, France, Mac OS X, Linux)
HYBRID 2 (Microsoft founder, AMD/Intel)
CANONICAL 2 (0.1+0.2, A IMPL B; <1 ms each)
wall median 4.1 s (range 0.6 ms – 7.2 s)
primary used 4 / 8
`who wrote virt-back?` lands at 6.3 s wall, audit STRICT, primary
source #1, cited evidence still includes a copyright footer
(reviewer's warrant-quality finding — deferred to follow-up ticket
since the latency fix was the gating concern).
Hard constraint preserved: baselines NEVER gate CI. The artifact
is for confirming a fix moved the needle, seeding ForkScore
comparisons, and noting findings worth tickets.
`make bench-real-shard` wires it. Honors ARBORIST_SHARDS_DIR.
## Test status
Full suite: 1306 passed, 36 skipped (no regressions from the
concept refactor; 14 concept tests cover the lazy/eager
equivalence).
Closes the math half of fox's 2026-05-08 roadmap question ("did we
implement the math and logic stuff?"). Until now arborist had logic
KERNELS (Syllogism, Truthtables, Transitivity sub-batteries with
deterministic evaluators) but no math π*'s. SQD whitepaper §14
framed math as "operations over π*-canonical invariant objects:
integers, algebraic expressions, proof states, constraint graphs"
— that framing is now actually implementable.
arithmetic@v1 — exact rational arithmetic (SQD §14.1)
-----------------------------------------------------
Parse arithmetic expression → fractions.Fraction → canonical
"<num>/<den>" in lowest terms. Decimals via Decimal(str(...)) for
exact rational interpretation:
"0.1" → "1/10" (not 0.1±ε)
"0.1+0.2" → "3/10" (the SQD-canonical floating-point question)
"1+2" → "3/1"
"(1+2)*3" → "9/1"
"6/4" → "3/2" (lowest terms via Fraction invariant)
"2**3" → "8/1"
"-(1+2)" → "-3/1"
Rejects: identifiers, function calls, division by zero, non-integer
exponents, boolean literals. PiStarError with explanatory message.
logic-kernel@v1 — propositional CNF canonicalizer (SQD §14.3)
-------------------------------------------------------------
Parse Boolean expression (AND/OR/NOT/XOR/IMPL/IFF + named atoms +
parens) → eliminate IMPL/IFF/XOR → push NOT inward (NNF) →
distribute OR over AND (CNF) → dedupe + sort literals + sort
clauses + drop tautological clauses → serialize.
Equivalence classes preserved:
A AND B ≡ B AND A (commutativity)
(A AND B) AND C ≡ A AND (B AND C) (associativity)
A IMPL B ≡ NOT A OR B (IMPL rewrite)
A IMPL B ≡ NOT B IMPL NOT A (contrapositive)
NOT (A AND B) ≡ NOT A OR NOT B (De Morgan)
NOT NOT A ≡ A (double negation)
A OR (B AND C) ≡ (A OR B) AND (A OR C) (distribution)
A OR NOT A → TRUE (tautology)
A AND A ≡ A (idempotence)
Atom cap: N=8 (256 max clauses). Larger inputs raise PiStarError;
CNF blow-up is exponential in atom count, the cap keeps
canonicalization deterministic in bounded time.
Surface
-------
- arborist/pi_star/arithmetic.py — full implementation (new file)
- arborist/pi_star/logic.py — full implementation (graduates from
stub; preserves the LogicKernelV1 dataclass shape so the registry
key arithmetic@v1 / logic-kernel@v1 stays stable)
- arborist/pi_star/__init__.py — imports arithmetic to auto-register
- bench/batteries/base.py — PHASE_1_CARRIERS adds "arithmetic" + "logic"
- bench/fixtures/5s/syntax-arithmetic-v1.jsonl (12 fixtures)
- bench/fixtures/5s/semantics-arithmetic-v1.jsonl (15 fixtures)
- bench/fixtures/5s/syntax-logic-v1.jsonl (12 fixtures)
- bench/fixtures/5s/semantics-logic-v1.jsonl (18 fixtures)
- Makefile: bench-5s-arithmetic, bench-5s-logic-kernel,
bench-5s-math aggregate
- tests/test_pi_star.py: 30 new tests
- 13 for arithmetic@v1 (decimals, equivalence, rejects, idempotency,
integer exponents, negative results, the SQD 0.1+0.2 case)
- 17 for logic-kernel@v1 (commutativity, associativity, all rewrite
rules, De Morgan, double-neg, distribution, tautology, idempotence,
contrapositive, atom cap, syntax errors, idempotency)
Cross-modality discipline now spans:
text + claim_lattice + memory + code + arithmetic + logic
— six carrier domains, all with real π* implementations.
Two stubs remain (time-series-quantized@v1, tabular-pinned@v1);
neither is needed for math/logic coverage.
Full suite: 1256 passed, 36 skipped (+30 tests, +57 fixtures).
Completes the bridge: every 5F sub-battery now has an embedded
(Phase 1a) AND a live (Phase 1b.2) path. Per-task detail.source
distinguishes synthetic from live signal.
| Sub-battery | Live surface | Live fixtures |
|---|---|---|
| Formulate | qa.parse_claims.parse_pointer_claims | 15 (prior) |
| Feedback Loop | store.append_audit + memory.snapshot (temp shard) | 12 (prior) |
| Function | parse_pointer_claims + shape evaluators | 12 |
| Finetuning | selfmodel.store_snapshot + claims_for round-trip | 10 |
| Falsification | qa.verify.verify_quotes (real verifier) | 12 |
Function live: input_text routes through real parse_pointer_claims;
the same Phase-1a shape evaluators (shape_match / pointer_set_match
/ threshold_on_metric) run on the live-parsed output. Tests
parser→shape pipeline against actual organism behavior.
Finetuning live: gated via fixture's "live": true flag. Runner
writes parent + child SelfModel + capability_claim to a fresh temp
shard via real arborist.selfmodel.store_snapshot, reads back via
claims_for, runs the same improvement check. Tests the SelfModel
persistence + claim-attach surface, not just static fixture data.
Falsification live: answer_text + context routes through real
arborist.qa.verify.verify_quotes. Live signals translate the
verifier's audit_mode + verifier_method + unverified_quotes into
flat tags (UNGROUNDED, STRICT_<method>, HYBRID_<method>,
UNVERIFIED_QUOTE) the runner matches against expected_reason. One
fixture (5f-fal-live-003) deliberately documents a known soft-
signal gap — the entity strategy treats Insulin/Penicillin claims
as equivalent because both share "Alexander Fleming". Production
catches it via title-relevance + claim-lattice verifier; the
fixture pins the soft-path limit so future verifier changes
re-trigger review.
Surface:
- bench/batteries/b_5f.py — _live_function_produced,
_live_finetuning_measure, _live_falsification_violations
helpers + two-mode dispatch in run_function / run_finetuning /
run_falsification.
- bench/fixtures/5f/{function,finetuning,falsification}-live-v1.jsonl
(12 + 10 + 12 fixtures).
- Makefile: bench-5f-{function,finetuning,falsification}-live
targets; bench-5f-live aggregate now covers all five sub-batteries.
- Tests: 9 new in tests/test_bench_batteries.py
- live + embedded paths for each sub-battery (6 tests)
- direct helper tests verifying the real arborist surfaces are
invoked, not stubs (3 tests)
Phase 1a fixture digests unchanged. _DEFAULT_FIXTURES still points
at synthetic Phase-1a fixtures so `runner --all` behavior is
identical and deterministic; live mode invoked via explicit
--fixtures path or make targets.
Full suite: 1210 passed, 36 skipped.
5F battery is now the first to bridge synthetic→live across every
sub-battery. The pattern + live fixture format are reusable for
5R Phase 1b.2 (when SelfModel-backed workspace ops want live
verification).
Second live wire-up (after Formulate). run_feedback_loop now supports
both modes:
- Embedded (Phase 1a): chain of (operation, observation) string pairs;
runner aggregates observations and string-matches expected_delta.
- Live (Phase 1b.2): live_chain of typed ops applied to a fresh temp
arborist shard via real append_audit + memory.snapshot +
selfmodel.snapshot. expected_delta is a dict of predicates against
the resulting audit_events / memory_branch_summaries.
The live helper _live_feedback_chain creates a tempfile-backed shard,
runs the chain through real arborist surfaces, and queries the final
state. Every audit event chains via the production append_audit, so
the audit chain is re-verifiable after live execution (see new test
test_5f_live_feedback_chain_audit_chain_intact).
Three predicate types in expected_delta:
- audit_event_type_present: named event_type appears in audit chain
- memory_branch_present: named branch_id in memory_branch_summaries
- body_substring_present: substring appears in any audit body JSON
Surface:
- bench/batteries/b_5f.py — _live_feedback_chain helper +
_live_delta_satisfied predicate checker; two-mode dispatch in
run_feedback_loop
- bench/fixtures/5f/feedback-loop-live-v1.jsonl — 12 live fixtures
exercising providence_write, providence_repair, memory_snapshot,
selfmodel_snapshot ops. Includes 2 negative fixtures testing the
predicate checker (expected_delta absent → expected:fail).
- Makefile: bench-5f-feedback-loop-live + bench-5f-live aggregate
for all 5F Phase-1b.2 live wire-ups.
- Tests: 5 new in tests/test_bench_batteries.py
- live path runs all 12 fixtures
- embedded path still works (10 Phase-1a fixtures)
- helper directly tests audit-event write
- rejects unknown live op type
- audit chain re-verifies after live ops
Two of the five 5F sub-batteries now bridge synthetic → live
(Formulate + Feedback Loop). Function/Finetuning/Falsification
follow in subsequent commits.
Full suite: 1201 passed, 36 skipped.
First sub-battery to bridge from synthetic gold output to actual
organism behavior. run_formulate now supports two fixture modes
selected per-task:
- Embedded (Phase 1a): produced_lattice in the fixture. 10 seed
fixtures continue to pass via this path.
- Live (Phase 1b.2): only input_text in the fixture; runner calls
arborist.qa.parse_claims.parse_pointer_claims(input_text) and
matches the live output against expected_lattice.
Embedded takes precedence if both fields are present. Per-task
detail.source ("embedded" | "live") surfaces in bench output so
synthetic vs live signal is distinguishable.
Surface:
- bench/batteries/b_5f.py — _live_produced_lattice helper +
two-mode dispatch in run_formulate
- bench/fixtures/5f/formulate-live-v1.jsonl — 15 live-mode fixtures
with input_text + expected_lattice (no produced_lattice)
- Makefile: bench-5f-formulate-live target
- Tests: 4 new in tests/test_bench_batteries.py
- live path routes through real parser, all 15 pass
- embedded path still works (10 Phase-1a fixtures)
- _live_produced_lattice helper directly verifies parse output
- fixture missing both fields fails cleanly with explanatory reason
Phase 1a fixture digests unchanged. _DEFAULT_FIXTURES still points
at formulate-v1.jsonl so `runner --all` behavior is identical;
live-mode fixtures invoked via explicit --fixtures path.
Full suite: 1196 passed, 36 skipped.
Pattern set. Function/Finetuning/Falsification/Feedback Loop
follow in subsequent commits.
Phase 2 of #000021. React/Rearrange/Restore/Replicate/Resonate over
the workspace surface — selfmodel_records (#000014) + memory_records
(#000017), both landed earlier today. Closes the gap that gated 5R
since the substrate work shipped.
Sub-battery semantics (per SQD whitepaper §9.3 + ticket #000021 §4.2):
- React: incorporate new fact/constraint. Workspace = (snapshot_t0,
snapshot_t1, expected_delta). Pass = added_facts present + removed_facts
absent in t+1.
- Rearrange: restructure without semantic shift. Re-canonicalize
different surface forms through a named π*; pass = bytes match
expected_equivalent flag. Tests the order-invariance contracts in
SelfModel (capability_claim_hashes sorted) and Memory (branches
sorted by branch_id).
- Restore: retrieve prior fact. Workspace = (history[], current_facts[]).
Pass = fact in current OR any historical snapshot.
- Replicate: independent canonical encodings via π*. Same input run
N times must yield byte-equal output. Tests determinism contract.
- Resonate: variance across N runs. Deterministic π*'s yield
distinct=1; expected_max_distinct=1 enforces zero-variance contract.
Surface:
- bench/batteries/b_5r.py (5 deterministic runners; no LLM-as-judge)
- bench/fixtures/5r/{react,rearrange,restore,replicate,resonate}-v1.jsonl
(30 each = 150 new fixtures)
- runner.py registers 5r in _BATTERIES + _DEFAULT_FIXTURES
- Makefile: bench-5r + bench-suite (5S+5T+5F+5R aggregate)
Final tally:
5S syntax/semantics/syllogism/synthesis/semiotics 108
5T transfer/transfer-learning/triangulation/... 154
5F function/finetuning/falsification/... 50
5R react/rearrange/restore/replicate/resonate 150
TOTAL: 462 fixtures across 21 sub-batteries — 100% pass.
Tests: 6 new in tests/test_bench_batteries.py + adjustment to
test_session_integration.py for the 312→462 count + 5R sub-battery
presence assertion. Full suite: 1192 passed, 36 skipped.
Closes#000021. Phase 3 (external-corpus expansion) remains open
under the ticket but does not gate closure — the complete
Dav1DPrometheus surface is now executable infrastructure.
Per fox's "partial punt on larger ones" — ships the bench/ skeleton +
small seed fixture sets so future v8/v7-W/SelfModel work can cite a
real fitness target. Full Phase 1 (50-200 fixtures per sub-battery)
and Phases 2-3 stay open in the ticket.
Phase 1a delivers:
- bench/batteries/{base,b_5s,b_5t,runner}.py — Battery protocol,
BatteryResult, fixture-digest helpers, CLI runner.
- Seed fixtures:
- bench/fixtures/5s/syntax-v1.jsonl — 10 tasks against
wikitext-base@v1 and claim-lattice@v1
- bench/fixtures/5s/semantics-v1.jsonl — 8 equivalence tasks
- bench/fixtures/5t/transfer-v1.jsonl — 4 paraphrase-invariance
tasks
- Runners for 5S Syntax, 5S Semantics, 5T Transfer. Other 5S/5T
sub-batteries are stubs returning zero-task results.
- Makefile targets: bench-5s, bench-5t, bench-5s5t.
- runtime_digest field captures the active π* registry fingerprint
so a registry change surfaces in bench results.
Tests: tests/test_bench_batteries.py (17 cases). Full suite:
1076 passed, 36 skipped. `make bench-5s5t` runs end-to-end and
emits JSON results.
Ticket #000021 status: in progress · Phase 1a landed; Phase 1b/2/3
remain open.
