{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000607},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000583","490:4900000239","490:4900000606","490:4900000235","490:4900000246","490:4900000608","490:4900000124","490:4900004285","490:4900000703","490:4900001735","490:4900000504","490:4900003723","490:4900004027","490:4900000687","490:4900000285","490:4900001082","490:4900000572","496:4960009569","490:4900000144","494:4940008737","490:4900000626","490:4900000109","490:4900000571","490:4900000103","490:4900000408"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,494,490,490,490,490,490],"twin_sims":[0.44642472597225025,0.3353829889889463,0.3335067565215593,0.32387503438716986,0.30309812940768616,0.2951338615691026,0.2933737912347775,0.28970490754198525,0.2897022522371415,0.279544049681023,0.2785622377450395,0.2774487567927101,0.2722353374881997,0.2612434311866735,0.25133021610420825,0.24969272535526738,0.24050206189466963,0.2400013479407988,0.23116811844873164,0.2260882492853402,0.22438403923007802,0.2202129869160988,0.21981815175400615,0.2197268024284599,0.21923161995623944],"twin_dists":[0.1649441248487317,0.19197559343187426,0.19246786919188028,0.19501920613131407,0.20067173164004343,0.20289755889066638,0.20339420709080658,0.20443518535489735,0.20443594158118578,0.2073600155962271,0.20764601499250315,0.20797111294935183,0.20950396288273773,0.2127962953360878,0.21584089534877188,0.21635111095993093,0.21925541698208073,0.21941569059615806,0.2222797238482412,0.22395949677601323,0.22452862988232725,0.22593383879748768,0.2260677756921792,0.22609878637244576,0.22626703826492436],"n_dims_used":45,"mean_confidence":0.9148857964409722},"coverage":{"mean_confidence":0.9148857964409722,"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}}