{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":470,"cluster_id":4700001062},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["470:4700000401","488:4880000828","496:4960003138","496:4960007082","478:4780002445","472:4720002372","472:4720006835","481:4810001204","488:4880006387","479:4790001124","499:4990001072","481:4810000329","481:4810003141","481:4810000894","481:4810001536","479:4790001012","496:4960003596","499:4990001865","478:4780002963","479:4790001828","499:4990002995","490:4900002170","468:4680006912","488:4880004192","496:4960002434"],"twin_admin_codes":[470,488,496,496,478,472,472,481,488,479,499,481,481,481,481,479,496,499,478,479,499,490,468,488,496],"twin_sims":[0.4346369719097001,0.41229771805420623,0.3737322129751054,0.353958246435907,0.3464820346051088,0.301551222249239,0.28378761605261044,0.2746599799606736,0.27036211609080574,0.25756680415479244,0.24989169060418975,0.24727980394830135,0.21928626758323197,0.20898824380598413,0.2048151007218599,0.19376730895760735,0.19110534171425228,0.17558517302304463,0.17546129740104843,0.17278001434179496,0.15322809508497276,0.14622818485373887,0.1444063683452843,0.13014013037005323,0.12800429476690892],"twin_dists":[0.1676582693865375,0.17288529341725611,0.18221494672414457,0.18717940061429328,0.18909335633367572,0.20110135555334488,0.20613083178284416,0.20878885160315971,0.2100591296867936,0.21391681635292512,0.2162890027132067,0.21710685529478702,0.22624845772949947,0.22980645758274432,0.2312821887785465,0.23529137439303188,0.2362809567630655,0.24225202592990713,0.24230116053672104,0.24337079555600416,0.2515563650153188,0.2546723764996102,0.2555013729112695,0.26227852754101466,0.2633405935492816],"n_dims_used":43,"mean_confidence":0.9120254516601562},"coverage":{"mean_confidence":0.9120254516601562,"n_dims_used":43,"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}}