conformance(INDEX): promote 6 wide GF rungs to bitexact_selfconsistent. Closes #1146#1184
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PR DashboardGenerated at: 2026-06-17 12:55:33 UTC
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Closes #1146 gf14/gf48/gf96/gf128/gf512/gf1024 move from structural (n_vectors:0 stubs) to the bitexact_selfconsistent kind with their bit-exact vector packs (gf14 14 vectors, the others 15 each; abs_error "0" by construction; dyadic, single decode law). INDEX summary: total 83, bitexact 55 (UNCHANGED -- no false promotion), selfconsistent 6, structural 22 (28-6). Requires the tri-state Check B from #1182 (PR #1183), which must merge first. These rungs are bitexact_selfconsistent, NOT bitexact: only gf16 has an independent silicon oracle (Corona ROM); gf48 is cross-checked vs GF14; gf96/128/512/1024 have no second witness. With the patched gate the conformance gate is CLEAN, Check B recount [83, 55, 6, 22]. docs/NOW.md updated (now-sync-gate); catalog stays 83; ASCII-only.
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Summary
Promote six wide GoldenFloat rungs from
structural(n_vectors:0 stubs) to the newbitexact_selfconsistentkind, with their bit-exact vector packs:gf14 (14 vectors), gf48 / gf96 / gf128 / gf512 / gf1024 (15 each). Every value is
dyadic-exact (abs_error "0" by construction) under one decode law.
INDEX summary moves to: total 83, bitexact 55 (UNCHANGED -- no false promotion),
selfconsistent 6, structural 22 (28 - 6).
Dependency
This PR REQUIRES the tri-state Check B introduced in #1182 (PR #1183). Merge #1183
first. Until then the live (binary) Check B would recount bitexact = 61 and fail.
With the patched gate present, the full gate is CLEAN, Check B recount
[83, 55, 6, 22].
Honesty (why bitexact_selfconsistent, not bitexact)
Only gf16 has an INDEPENDENT second witness (the Corona ROM silicon oracle). The six
rungs here are bit-exact and self-consistent under a single decode law: gf48 is
cross-checked against the GF14 anchor, but gf96/gf128/gf512/gf1024 have NO independent
second witness. Labelling them
bitexactwould place them in the same tier assilicon-validated gf16 and overstate their evidence.
bitexact_selfconsistentrecordsthe strictly-weaker, honest status. No per-rung superiority claim is made; the
GoldenFloat breadth-not-superiority framing is preserved and Takum (Hunhold 2024,
arXiv:2412.20273) remains the standing counterexample.
Verification
packset == SSOT; Check B recount [83, 55, 6, 22] == claimed; Checks C (sha
freshness), D (re-derive abs_error -- note: re-runs the same decode law, so it is a
self-consistency check, not independent verification), D2 (special-value
round-trip), and E (honesty allowlist) all pass.
gen//coq//bootstrap/edits.Closes #1146