{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001254},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001126","491:4910001257","491:4910001501","491:4910001260","491:4910001746","491:4910001863","491:4910001191","491:4910001322","491:4910001065","491:4910001627","491:4910001509","491:4910001183","491:4910001196","491:4910001053","491:4910001136","491:4910001188","491:4910001393","491:4910001323","491:4910001740","491:4910001001","490:4900003923","491:4910001632","491:4910001125","491:4910001187","491:4910001192"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,490,491,491,491,491],"twin_sims":[0.7332769434647612,0.7255829909408021,0.6101780782667287,0.4985773557518449,0.4963911572862933,0.40967996473959895,0.4064605881134096,0.4024117081116981,0.3976834119299858,0.38067055806205113,0.35132125097155814,0.3439704690764186,0.34310502488509503,0.29249033179710426,0.27522865583611394,0.2663270402501914,0.25353210172221446,0.23850047437276514,0.23525968379175938,0.22900149320220947,0.2234501796649662,0.22162914854354446,0.220041053843474,0.21109837617060334,0.2086054945261649],"twin_dists":[0.1023015040644821,0.10402611150681776,0.1290934677010125,0.1532294982393966,0.15371248179027147,0.17350560711140064,0.17427088038810037,0.17523717390759744,0.17637118317058395,0.18050413527929562,0.18785205215133274,0.18974120074376946,0.18996501864097567,0.2036441624045217,0.20862169078615977,0.2112631403487249,0.2151581544452452,0.219897411469676,0.220944357162638,0.22299315244859294,0.2248417191615851,0.22545476295087166,0.22599214254493488,0.2290678931274025,0.22994096582750131],"n_dims_used":45,"mean_confidence":0.8958708021375869},"coverage":{"mean_confidence":0.8958708021375869,"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}}