{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011718},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011650","490:4900011373","490:4900011588","490:4900011835","490:4900011571","490:4900011248","490:4900011836","490:4900011583","490:4900011586","490:4900011299","490:4900011775","490:4900011569","490:4900011231","490:4900011306","490:4900010770","490:4900011572","490:4900011975","490:4900010855","490:4900011233","490:4900010756","490:4900011913","490:4900010772","490:4900011093","490:4900011074","490:4900011172"],"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":[0.3874372946299653,0.3538655437589499,0.3224596905996184,0.22723700264354138,0.15621741094761374,0.13891346082775433,0.12727057520300966,0.1185333712821569,0.10465650542150044,0.10341104776383833,0.08978214286998094,0.08642898149298626,0.082436124040422,0.07800887330967339,0.0771171779726356,0.07665643283471078,0.07138051972721263,0.06822314367856287,0.06503377691052069,0.06214240820354858,0.05883523987079364,0.05488530843242734,0.05243417919488102,0.052029080134274916,0.05160135957171766],"twin_dists":[0.17885006767897677,0.18720300318882185,0.1953976350249024,0.22357746755412805,0.25025749357000326,0.2580488162266529,0.2637085359306078,0.26821900629348894,0.2759380040968787,0.27666884225876587,0.2851547606964935,0.2873974347643164,0.2901601570700359,0.29335152098685807,0.29401181504778906,0.2943554042157739,0.2984136062563854,0.3009599303564458,0.30363135813152875,0.30614734262278487,0.3091457114525449,0.31291448999800053,0.3153675951237692,0.3157821434042334,0.3162227616623484],"n_dims_used":45,"mean_confidence":0.8923353407118055},"coverage":{"mean_confidence":0.8923353407118055,"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}}