{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011636},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011634","490:4900011771","490:4900011700","490:4900011694","490:4900011902","490:4900011966","490:4900011839","490:4900012034","490:4900011829","490:4900011436","490:4900011843","490:4900011565","490:4900011776","490:4900012102","490:4900011759","490:4900011703","490:4900011763","490:4900011501","490:4900011764","490:4900010410","490:4900011305","490:4900011830","490:4900011833","490:4900011438","490:4900012187"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.18369665152981393,0.1683233385186203,0.1547019343703154,0.14229603198102184,0.13910918421430893,0.10958515851823272,0.07802021072052961,0.07570548786351251,0.07289223960368552,0.06993264063270038,0.06653002502287893,0.06318874235111006,0.05966704207229678,0.055317606129757696,0.05002290899300008,0.04986506251374605,0.049849228219162725,0.04917687940075178,0.045538979741454585,0.04545317855668347,0.043502299561641394,0.04041624322607107,0.039892474260382546,0.038412648813111065,0.035004701192764054],"twin_dists":[0.23908686856503417,0.24517527496108146,0.250913678911509,0.2564714114875043,0.25795676789855987,0.27311053482176917,0.2933431648824807,0.29506984055706165,0.2972266724338496,0.2995696746505013,0.3023650962726324,0.3052259968451632,0.30837878453917134,0.312491297600692,0.31787555884815794,0.3180432183231875,0.3180600613976377,0.3187793933181236,0.32282035939932735,0.3229188829263907,0.3252022659428974,0.32899663593868117,0.32966471634010824,0.33159316838811764,0.33628579869139336],"n_dims_used":45,"mean_confidence":0.8892259385850695},"coverage":{"mean_confidence":0.8892259385850695,"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}}