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"witness": [ 2, 18, 45, 67, 77, 82, 83, 93, 103, 118, 146, 175, 176, 177, 184, 194, 195, 196, 204, 205, 212, 217, 218, 242, 248 ] }, "Z": { "value": 25, "confidence": "upper_bound", "witness": [ 0, 1, 18, 21, 31, 32, 33, 34, 35, 36, 37, 58, 59, 73, 102, 138, 157, 160, 167, 196, 212, 222, 241, 261, 277 ] } }, "provenance": { "authors": [ "@MathysRennela" ], "construction": "Generalized bicycle code (arXiv:2306.16400, Renyu Wang & Leonid P. Pryadko) from github.com/QEC-pages/GB-codes, gb-codes.zip, codes/GB_278_w6_X.mtx and _Z.mtx.", "references": [], "date": "2026-09-19", "notes": "Literature reproduction of a published generalized bicycle code (arXiv:2306.16400, Renyu Wang & Leonid P. Pryadko), from github.com/QEC-pages/GB-codes gb-codes.zip. Checked against the live board: not equivalent to any existing entry.", "model": "DeepSeek V4 Flash 0731", "origin": "submission" }, "family": "generalized-bicycle" }