{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000900},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000557","490:4900001033","490:4900000670","490:4900000779","490:4900002923","490:4900000485","490:4900000662","490:4900000573","490:4900001006","490:4900001040","490:4900002337","490:4900000903","496:4960007783","490:4900000387","490:4900001184","496:4960008670","490:4900000584","496:4960009168","490:4900002484","496:4960008365","490:4900001026","496:4960007786","494:4940007906","494:4940008671","490:4900000801"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,496,490,496,490,496,490,496,494,494,490],"twin_sims":[0.5973935564985887,0.4619392507047971,0.40536225847778845,0.4001444787152927,0.3385298649317163,0.3289538234711551,0.3247918097150493,0.2870225121301924,0.28411111786779025,0.2834971018276461,0.27264684480474166,0.262044084806028,0.25356024052083015,0.24694903943322027,0.24566957095993094,0.2434479639997445,0.24168145301279742,0.23975311617223802,0.23888066667365893,0.2371434473926751,0.23489033841602336,0.23273076555070368,0.2224245168441012,0.22178290011171398,0.21422410140028056],"twin_dists":[0.13183113371962796,0.16141281652802827,0.17453257730127864,0.17578017446400834,0.19115327154511053,0.19366876337306976,0.19477457355701805,0.20520124826609307,0.20603758392943256,0.20621462576404573,0.2093823200341165,0.2125535974508614,0.21514945388620912,0.2172108212306635,0.21761382886971797,0.21831681582315474,0.2188787592276933,0.21949522768200647,0.21977519874589804,0.22033466538737412,0.22106427208478951,0.22176790372712143,0.22518659311768902,0.2254028733493861,0.22798300890029263],"n_dims_used":45,"mean_confidence":0.9143295288085938},"coverage":{"mean_confidence":0.9143295288085938,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}