{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770001954},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770001483","477:4770001126","477:4770001663","477:4770000647","477:4770002071","500:5000003616","477:4770001309","477:4770001187","499:4990000178","479:4790000055","477:4770001064","500:5000001179","499:4990003916","499:4990002470","477:4770001611","499:4990001215","499:4990001970","479:4790000189","467:4670000517","477:4770001757","477:4770001771","477:4770001608","500:5000004141","500:5000000836","499:4990004043"],"twin_admin_codes":[477,477,477,477,477,500,477,477,499,479,477,500,499,499,477,499,499,479,467,477,477,477,500,500,499],"twin_sims":[0.6256875319180096,0.5334506644340069,0.49099638024246123,0.48046876849960807,0.4280455708479759,0.3932361988932496,0.35537662336373077,0.35396129524998715,0.29932135173668467,0.29113117699408714,0.2805586912575564,0.27787781047788107,0.2777023742552798,0.25541219453375286,0.25286426850624233,0.25090502257080977,0.23935184315825186,0.23624600300780926,0.23464246973302452,0.23408389225269594,0.23195440150426438,0.2276684932752964,0.2263522009594212,0.22475039023531557,0.2246205255389079],"twin_dists":[0.12577111102639016,0.14559720001177878,0.15490695000421653,0.1572493187210353,0.16918868798197126,0.17744342338830507,0.18681867311959824,0.18717862442512717,0.20172292734573594,0.2040295816190577,0.2070650936750695,0.2078457500990715,0.2078969955758442,0.21457816961859236,0.2153648299585212,0.21597317421639614,0.21962391468989262,0.22062473255227713,0.2211448165635393,0.22132652989064178,0.22202190586215353,0.22343430183362603,0.22387160333296302,0.22440604252839522,0.22444948227313438],"n_dims_used":45,"mean_confidence":0.9222520616319444},"coverage":{"mean_confidence":0.9222520616319444,"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}}