{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001511},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002846","490:4900003403","490:4900003131","490:4900001377","490:4900002845","490:4900001125","490:4900003950","490:4900003267","490:4900001516","490:4900003536","490:4900002993","490:4900001118","490:4900003259","490:4900004493","490:4900003265","490:4900003952","490:4900003130","490:4900003256","490:4900003527","490:4900003396","490:4900001513","490:4900003521","490:4900001376","490:4900003139","490:4900001646"],"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":[0.4779282928829402,0.345479999314818,0.2919966010367852,0.28507436187228685,0.2406990461948989,0.21690946070596165,0.20355398048598383,0.1850373548522929,0.17901632499500617,0.17718420463483597,0.17492928539831576,0.16419953292644168,0.1546533905329912,0.1532836730619965,0.14023641860199396,0.13973173733356065,0.13906507251320355,0.12531209336944277,0.12134354821080666,0.11883911679096051,0.11749123830728415,0.11732686371532239,0.11542209104887863,0.11024287289461455,0.09813727022965332],"twin_dists":[0.15781696308547907,0.1893515265272298,0.20378404770176536,0.20576031163426564,0.21919242362297403,0.22705947695251946,0.2317321946943896,0.23857328623192414,0.24090077462940762,0.2416199833624946,0.24251246185579675,0.24687585226950026,0.2509347754695153,0.2515320475135925,0.2574285046153566,0.2576646236217981,0.2579775051015275,0.26469860094159703,0.2667414259922478,0.2680569561958505,0.268773769835626,0.26886161604449593,0.2698865290463319,0.2727407160655331,0.27984188496677975],"n_dims_used":45,"mean_confidence":0.9142003377278646},"coverage":{"mean_confidence":0.9142003377278646,"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}}