{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000205},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000190","490:4900000185","490:4900000160","490:4900000244","490:4900000425","490:4900000111","490:4900000120","496:4960008388","490:4900000431","490:4900000094","490:4900000281","490:4900000166","490:4900000139","490:4900000397","490:4900000095","490:4900000599","490:4900000070","490:4900001885","490:4900000078","490:4900000113","490:4900000098","490:4900000499","490:4900000848","490:4900000725","490:4900000089"],"twin_admin_codes":[490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.8709386164626379,0.7938009751154836,0.6442601385933635,0.5696758031730899,0.5557062522629026,0.5378821163065473,0.5230107906644927,0.5092086132370831,0.48852702700171396,0.48106040635294417,0.46442848012175814,0.4388543025365967,0.43529908275605445,0.4292985054583708,0.42729227718043583,0.4222769062023868,0.4092578173089514,0.3999099119605317,0.39156941374554854,0.38657444300062394,0.3753451210690301,0.3671316553084401,0.36640153316302937,0.3627922350398083,0.35719081019487026],"twin_dists":[0.06827589114392235,0.08826163715477801,0.12178497535268044,0.13777569528043296,0.14078244032023174,0.14463562032195074,0.1478691828821796,0.1508890599164392,0.15545498533033933,0.157117260678589,0.16085024245925408,0.1666839554631161,0.16750505672835558,0.1688970430689689,0.16936420042017866,0.1705360330253781,0.17360580350127172,0.17583643259029694,0.17784673681316626,0.1790602142294611,0.18181587297019403,0.18385702897312156,0.18403956887320083,0.18494464113655618,0.18635836381878576],"n_dims_used":45,"mean_confidence":0.9130042182074652},"coverage":{"mean_confidence":0.9130042182074652,"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}}