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The companion repos completed their signature apex (phases 1+2: four button-enforced tiers up to "accept <=> decompress(R) = [k](-A)+[s]B as points") and the scalar layer long ago crossed the kernel frontier - but the book still taught the pre-campaign state, including one real inaccuracy of the class coherence pass 3 purged from the repo READMEs: ch12's apex section and audit-drill solution described the COFACTORED equation (8sB = 8R + 8kA) with SIMD backends in the trusted base - neither matches the proven certificates (canonical-R byte equality, serial path pinned and proven, SHA-512 an oracle with NO assumed properties). Fixed: - ch12: pyramid status diagram (scalar + signature rows now "done"), the scalar-frontier paragraph (the wall was crossed, and how), the apex section (future tense -> the proven four-tier statement, honest trusted base), the "extend the pyramid" bullet (scalar -> pasta curve layer; CONTRIBUTING files never existed - now points at the control repo's METHOD/TIERS), exercise 12.2(c) solution (which lineage the cofactored robustness belongs to), exercise 12.3 + solution (audit the REAL certificate). - ch01: framing diagram states the equation actually proven (sB = R + kA from raw bytes, not the cofactored form). - glossary: Cofactor entry says which verifiers check which equation. - ch11: the companion repos' posture is stronger than the ideal-hash example - no hash properties assumed at all, backend question eliminated rather than assumed. - ch08: extraction notes (one merged universe; extract-scalar.sh was retired in coherence pass 3; SIMD scoped out, not assumed). - repo tour appendix: floor plan, reading order (item 5 now tours the apex capstone), Phase 3b described. - README: companion table rows say "the complete pyramid" with the four-tier apex; honesty ledger records this 2026-07-06 re-audit. main.pdf rebuilt from the updated sources (106 pages, zero errors, build-pass4.log retained). Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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