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test(pal256): immutable needle vs pairwise distribution contract - #1709

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AdaWorldAPI merged 4 commits into
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lab/pal256-frozen-needle-pairwise-20261022
Oct 22, 2026
Merged

AdaWorldAPI merged 4 commits into
mainfrom
lab/pal256-frozen-needle-pairwise-20261022

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Scope

Adds executable regression probes, not another Palette256 implementation: a frozen reference remains byte-identical across repeated reads, while a two-index lookup is a distributional relation and cannot replace the one-index needle. Accompanies the tests with a concrete version/digest admission plan.

Existing surfaces reused

bgz-tensor::fisher_z::FisherZTable, .claude/knowledge/reference-frame-vs-motion.md, existing 2026-08-26 needle/distribution finding.

Run

cargo test --manifest-path crates/bgz-tensor/Cargo.toml --test palette256_reference_contract

Falsifiers

Reference byte drift; conflating lookup score and identity; treating off-diagonal calibration as a self-cosine guarantee; promising multi-hop soundness from the pairwise rho result.

Draft / lab only. This change is untested in this connector runtime. No hot path, no automatic merge.

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Codex Review Summary

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Review Status Commit Review trigger
📝 Code Review ✅ Completed 2026-10-22T21:55:50.818321Z a152b04 Draft marked ready
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…dle-pairwise-20261022

# Conflicts:
#	.claude/board/entries/README.md
@AdaWorldAPI
AdaWorldAPI merged commit 3a0f6b0 into main Oct 22, 2026
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2 participants