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distance re-verified here", "origin": "baseline", "date": "2026-09-29", "model": "Mimo-V2.6-Flash", "notes": "Literature reproduction of a published instance from the Okada-Kasai pair-partition catalogue (https://kasai.ict.eng.isct.ac.jp/pair_partition_cpm_css_codes_20260714.html), not a new construction search. Equivalence checked at submission time: the dedup gate finds no exact or graph-equivalent existing entry, and verify/validate_candidate.py reports nothing dominating this code in its cell.", "novelty": "known_parameters", "references": [ "arXiv:2607.14091" ] }, "family": "pair-partition-cpm" }