{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003664},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003656","490:4900003933","490:4900003802","490:4900003531","490:4900003383","490:4900003387","490:4900003804","490:4900001641","490:4900003250","490:4900003382","490:4900003393","490:4900004353","490:4900004492","490:4900002093","490:4900002842","490:4900001249","490:4900003264","490:4900003400","490:4900002837","490:4900003526","490:4900001505","490:4900003523","490:4900004781","490:4900003795","490:4900002988"],"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":[0.23077267679915067,0.1656403594277457,0.15819254919354792,0.1526025613665248,0.11885447200119098,0.06804203084153805,0.06497751185740251,0.06495887286803378,0.06049895166017192,0.05904798800590288,0.05850603338396218,0.03913632402987946,0.03530062972323401,0.03479965799532241,0.034288305714318415,0.030342617595366893,0.02865016468398891,0.026571981587027768,0.023678211812713765,0.02121287658466184,0.018327017380105996,0.015543129979586635,0.012114434510080166,0.010865499665660604,0.010646416351277],"twin_dists":[0.2224096053115461,0.24627821684393708,0.24940922343340094,0.2518305073527362,0.26804882610325853,0.3011088754391363,0.30367943701567285,0.3036953716643561,0.30762050566321764,0.30894871106836586,0.3094517092538763,0.3306423984557723,0.3358632826328228,0.33658033787698666,0.3373213697062134,0.3433799919734849,0.3461878013692172,0.3498375110998461,0.35535330522153297,0.3605343321564084,0.367312004408373,0.3748015037349715,0.38585435226455467,0.3905817389374628,0.3914604027723691],"n_dims_used":45,"mean_confidence":0.9214284261067708},"coverage":{"mean_confidence":0.9214284261067708,"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}}