{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001438},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001433","480:4800001598","480:4800001552","480:4800001491","480:4800001439","480:4800001490","480:4800001547","480:4800001548","480:4800001709","480:4800001256","480:4800001497","480:4800001546","480:4800001498","480:4800001327","480:4800001659","480:4800001711","480:4800001318","480:4800001319","480:4800001550","480:4800001766","480:4800001946","480:4800001656","480:4800001551","480:4800001492","480:4800001501"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5454152217091734,0.540801297784226,0.4703862438035493,0.4233521272064229,0.40352289702882954,0.36510103357582613,0.3040386750661017,0.28493078433949304,0.27579719952982634,0.25748089279191827,0.2538866826514519,0.24644641476206697,0.2428359481712299,0.23356476237331683,0.23185667735111157,0.2129446425216297,0.20827666084133267,0.2062019068742875,0.20303669559809276,0.19371583342233495,0.19274045618123775,0.18547740092814446,0.17890087430209434,0.16842277515293821,0.1661039274109129],"twin_dists":[0.14300447887837536,0.14400303173847356,0.15950798629106305,0.1702843231551123,0.1749715488160251,0.18436516355687646,0.2004111359418674,0.20580160499415862,0.20845478014828228,0.21394311959154644,0.21504856230690464,0.21736897769853422,0.21851120414803543,0.22149566540879242,0.22205391775521974,0.22842578262983268,0.2300566609835237,0.23078951900237263,0.23191733052304575,0.23531042032222033,0.23567197681746763,0.23840528918037807,0.24094594074806958,0.24513464177819855,0.2460867335817919],"n_dims_used":43,"mean_confidence":0.9203426449797875},"coverage":{"mean_confidence":0.9203426449797875,"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}}