{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007999},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010229","490:4900010744","490:4900008120","490:4900010742","490:4900008438","490:4900007773","490:4900010483","490:4900010650","490:4900010225","490:4900008659","490:4900010916","490:4900010566","490:4900008227","490:4900011221","490:4900008660","490:4900008005","490:4900010745","490:4900008345","490:4900008891","490:4900008012","490:4900010849","490:4900011220","490:4900007998","490:4900008453","490:4900010489"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.47739920568344885,0.36398987935954025,0.34259356824962034,0.3401681837300378,0.3284739806180455,0.32081350823238663,0.30819598390339226,0.3056732021528455,0.2719922694740954,0.26710386449659,0.22311124974949745,0.20369888172415251,0.2035655571015437,0.19826463530586966,0.19417255134210087,0.18931660937492337,0.18771962049652755,0.17007378940274012,0.16333141008444355,0.1607669455488647,0.15617391022442073,0.15296337815911917,0.15083408818058158,0.1402705232336811,0.14006088472564815],"twin_dists":[0.15793530435549294,0.1846438165663068,0.19009743095031073,0.19072678693838552,0.19379585784765746,0.19583895304070148,0.19926482957974198,0.19995936934699618,0.20957586773480338,0.21103047158735894,0.22495556564792915,0.23168039253936706,0.23172805512793393,0.23364074451201375,0.23514155757033953,0.23695132944424757,0.23755359546860633,0.24446248772631804,0.247237770717339,0.24831509543713218,0.2502762638966647,0.2516722777248492,0.2526100377583618,0.25741257136989537,0.25751055751379176],"n_dims_used":45,"mean_confidence":0.8867258707682292},"coverage":{"mean_confidence":0.8867258707682292,"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}}