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  "date": "2026-09-30",
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  "notes": "Equivalent to the board's 144-12-12.json (IBM's gross code, arXiv:2308.07915): same spectral fingerprint and WL signature. The code is theirs; this entry contributes only the bilayer layout within the 7.0 cap, which the board did not have. Parameters are known (novelty: known_parameters).",
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  "references": [
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