{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000594},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890000453","489:4890000597","489:4890000745","489:4890000495","489:4890000595","489:4890000498","489:4890000344","489:4890000415","489:4890000345","489:4890000762","489:4890000416","489:4890001182","489:4890000704","489:4890000770","489:4890000637","489:4890000747","489:4890000342","489:4890000577","489:4890000632","489:4890000943","489:4890000462","489:4890000418","489:4890000439","489:4890000802","489:4890000274"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.9221883238481973,0.9152129903416362,0.8496694904647303,0.843200244035788,0.8292832791795169,0.8234975773002601,0.7930321005074441,0.7738366794920933,0.771835996495971,0.7618263389695213,0.7612197893267915,0.7600931190599842,0.7511022985580977,0.7403098663551273,0.7378639650205652,0.7322240545912855,0.7306292199118137,0.726480287341042,0.7184052710174755,0.6949703868322886,0.690654327586434,0.6863870915402339,0.6828500020793037,0.6824513510184012,0.6783173198235364],"twin_dists":[0.05227535088172569,0.05467036097894897,0.07413270316596808,0.0758517734763539,0.07946651944110088,0.08093893737050564,0.08844663859218078,0.09300218289547582,0.09347051445492212,0.09579714224744959,0.09593728185840124,0.09619734595690045,0.09826160204946237,0.1007153733767786,0.10126809401490089,0.10253814515203029,0.10289620012169808,0.10382552363234712,0.10562579948218659,0.11079535242556154,0.1117397445345521,0.11267141918586915,0.11344223258232218,0.11352902888549044,0.11442820567415653],"n_dims_used":45,"mean_confidence":0.9145700242784288},"coverage":{"mean_confidence":0.9145700242784288,"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}}