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Bound Type B odd-rail rank concentration - #7415

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ToikY wants to merge 3 commits into
CrocSwap:mainfrom
ToikY:codex/p104-type-b-odd-rail-concentration-bound-20261112
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ToikY wants to merge 3 commits into
CrocSwap:mainfrom
ToikY:codex/p104-type-b-odd-rail-concentration-bound-20261112

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@ToikY

@ToikY ToikY commented Nov 12, 2026

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NO VERIFIED GAIN. On exact #7334 with signed #7113, test changing ranks 9,9 to 8,10 at the isolated Type B odd returns at clocks 1339 and 2970 on all eight Type B ports. The rank-eight child is the pure stage-8 body, the retained wrappers are phase-even, and the rank-ten child supplies a scalar on only one phase-sensitive lane per fixed common fibre. The directed optimistic saving is about 0.0032105351558918767 raw. One extra rank-one paid adapter defeats it.

At unit bodies and the two legal central signs, the required two-return difference is 2I with determinant 4. In the proposed replacement every sign difference factors through a single lane and has rank at most one. The exact replay checks the two literal rails, physical signs and all four basis/sign columns. It rules out the fixed-fibre replacement even with ancillary work free. Two phase-sensitive cores, altered routing and mixed fibres remain open.

From a clean POSIX checkout run python3.12 -I -B research/p104-type-b-odd-rail-concentration-bound/replay.py. It authenticates exact sources, compares both replays and rejects an altered caller mask. Registered, read-only Git-free export and all 27 onboarding checks passed locally. The branch includes the two #7257 CI prerequisites.

#7334 and #7113 supply the comparator and signed caller. #7397 and #7394 cover distinct packing scopes on the same rails, and #7362 and #7298 supply exact pricing. OpenAI Codex and subagents materially assisted.

Clear1nsight and others added 3 commits November 11, 2026 15:39
This is the exact documentation prerequisite retained by CrocSwap#7156. It points the onboarding check to the selected CrocSwap#7000/CrocSwap#7001 review. Credit to Rohan Arun and the source authors.
The PR CrocSwap#6292 rejection census and package plan are statements about 2485805. Load its exact sources and planner in a private sparse checkout, keeping all source hashes, 19 expected rejections, nine package selections and the empty-plan control. Subsequent edits to the live Makefile and CI guide no longer invalidate this historical check.

The original audit is by unpaidmoon, building on Dennis’s historical replay gate. The pinned repository view follows the precedent of Matarener’s PR CrocSwap#5434. Repair prepared with substantial OpenAI Codex assistance.
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2 participants