{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910002162},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003632","490:4900004206","490:4900003634","490:4900003237","490:4900003770","490:4900004193","490:4900005288","490:4900003783","490:4900005285","490:4900003367","490:4900003501","491:4910002068","490:4900005294","490:4900003926","490:4900003240","490:4900004335","490:4900003639","490:4900002368","491:4910001403","490:4900003502","490:4900004331","490:4900002369","490:4900005419","490:4900005417","490:4900005293"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,491,490,490,490,490,490,490],"twin_sims":[0.5644382877687351,0.47774759201833533,0.4354518265539304,0.4325818145775726,0.40954017290616235,0.400014964073919,0.364751243811171,0.35981436269385875,0.355509567047067,0.3458707714124937,0.3404046208851817,0.3291310330037382,0.32001897915604094,0.3171610627060629,0.3065913000168055,0.2951845779644616,0.29160547535395387,0.25872528856908195,0.25252846024939074,0.24751401613875912,0.22968501895112084,0.2278601747260231,0.22580847139295032,0.21635369651765768,0.21573854951840135],"twin_dists":[0.13890186901500054,0.15785737579901213,0.1674697249722809,0.16813443019186733,0.17353878156989325,0.17581123520158531,0.18445283693438944,0.18569481623657633,0.18678490053515143,0.18925079868102765,0.1906653291222145,0.19362185224211778,0.19605240860986647,0.19682267947021578,0.1997062291360057,0.2028832739584193,0.20389496234914217,0.2135626658527466,0.21546888435807718,0.21703329169107416,0.22276760127787035,0.22337076084061522,0.22405273458782363,0.2272499769376569,0.22746121626163246],"n_dims_used":44,"mean_confidence":0.8938508467240767},"coverage":{"mean_confidence":0.8938508467240767,"n_dims_used":44,"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}}