{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011331},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011529","490:4900011725","490:4900011526","490:4900012201","490:4900011269","490:4900011261","490:4900011534","490:4900011189","490:4900011113","490:4900011595","490:4900010786","490:4900011799","490:4900011604","490:4900012196","490:4900011188","490:4900011118","490:4900010702","490:4900011191","490:4900011333","490:4900010079","490:4900011112","490:4900011730","490:4900004797","490:4900011729","490:4900011790"],"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":[0.31720953924172673,0.23789388199773026,0.21274969652843095,0.20563562878342975,0.1904895218696835,0.1853364970040483,0.1716525385472676,0.16853736368439173,0.15696207311576063,0.1472746724163135,0.13857458362625513,0.13203766824127955,0.12403902581307184,0.12142778193348305,0.11829303025554642,0.10269168542458507,0.0985006401336832,0.0947452870811405,0.09403823871616707,0.08924032895243028,0.08067825933443089,0.07944117677964226,0.07032378244417663,0.06871771364682062,0.06774127385511115],"twin_dists":[0.19680958145390742,0.22009266341847206,0.2284934041231541,0.2309904175191021,0.23651125409526091,0.2384590517405739,0.24382412040279566,0.24508783841059412,0.24993676637607212,0.25419963612414115,0.2582084187759924,0.26134593942818246,0.265348486869168,0.26669754145125196,0.2683466157281518,0.2770940973347012,0.27961903112279657,0.2819540826998433,0.28240183895051985,0.28551258397887536,0.29141045994312675,0.29230349986910603,0.2992554644577313,0.3005548343343263,0.3013569289295243],"n_dims_used":45,"mean_confidence":0.9046014573838975},"coverage":{"mean_confidence":0.9046014573838975,"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}}