{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003678},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003679","490:4900002717","490:4900002866","490:4900002865","490:4900002561","490:4900003544","490:4900003012","490:4900003422","490:4900003541","490:4900003680","490:4900002872","490:4900002871","490:4900002716","490:4900003163","490:4900003021","490:4900002864","490:4900002867","490:4900003013","490:4900002413","490:4900003020","490:4900002250","490:4900002249","490:4900001256","490:4900003006","490:4900003677"],"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":[0.8526160958015858,0.7510602681961074,0.7223394198701653,0.6494932811572544,0.62786611668424,0.5932360499100868,0.48510086405941727,0.4119113078264869,0.38754123149629977,0.35469623823499585,0.34981706205537727,0.3392343778947853,0.3367956550896956,0.3301125514220524,0.31598334059412014,0.3059728920027465,0.2855277568441682,0.2823322479695091,0.2652167738019023,0.25897863489403716,0.2562203835514515,0.2409691186318557,0.24090813637729305,0.23952074613590757,0.21872250543732757],"twin_dists":[0.0733407787512292,0.09827120752379943,0.1047500565785913,0.12065931037295864,0.1253040906410408,0.1327216735384909,0.1562167609145955,0.17297675022931544,0.17882476891817756,0.1869916182988072,0.18823692425242658,0.1909697381975477,0.19160593088130107,0.19336227453350477,0.19714123987309246,0.19987668989539498,0.20562999584483035,0.20655113005690282,0.2115964134903894,0.2134853507813045,0.21432968540712388,0.219106111851615,0.2191255955293596,0.21956973094961577,0.22644028984949777],"n_dims_used":44,"mean_confidence":0.9241903478449042},"coverage":{"mean_confidence":0.9241903478449042,"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}}