{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004357},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002990","490:4900001246","490:4900003257","490:4900003398","490:4900002991","490:4900003662","490:4900002697","490:4900003648","490:4900002994","490:4900003255","490:4900003810","490:4900003803","490:4900003127","490:4900003522","490:4900003391","490:4900002698","490:4900004217","490:4900003792","490:4900002986","490:4900003654","490:4900004355","490:4900003949","490:4900003651","490:4900003794","490:4900003261"],"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":[0.45783196984884417,0.4226027298343841,0.41724086971910834,0.39214939592059167,0.30944868349925375,0.29507324800559726,0.28315947728068996,0.27736096120714,0.2750253094661735,0.2745371693960245,0.2672357144946105,0.2593049227035132,0.2544822284968967,0.2236484846120902,0.2183565035392348,0.21732011688769146,0.2104931737155743,0.18986660763152932,0.17864121471935576,0.16911229852140672,0.15975733852393392,0.14549221760440145,0.13820438813224933,0.1370949407677636,0.1351183674137996],"twin_dists":[0.16234342500692667,0.17045972917361812,0.17171859126825606,0.17770630751107666,0.19892116835296894,0.202914633389873,0.2063120730510363,0.2079967800312963,0.20868143960219285,0.20882497929959198,0.2109910225958424,0.21338584591821821,0.21486471247276548,0.22477516192535502,0.22656500749186984,0.22691892671551148,0.22927920421245535,0.2367447341531713,0.2410475992543131,0.2448533526608595,0.24874265211840674,0.2550063436784986,0.25838310501847483,0.2589087299557362,0.2598531188468652],"n_dims_used":45,"mean_confidence":0.9204505072699652},"coverage":{"mean_confidence":0.9204505072699652,"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}}