{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001553},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003038","490:4900004419","490:4900007496","490:4900003438","490:4900007123","490:4900006393","490:4900001687","490:4900001678","490:4900001542","490:4900003175","490:4900003573","490:4900001820","490:4900004831","490:4900006272","490:4900004002","490:4900001835","490:4900006882","490:4900001023","490:4900004534","490:4900001011","490:4900003572","490:4900006392","490:4900004541","490:4900001979","490:4900002892"],"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":[0.6394293012432343,0.5862760754126082,0.5662042428227074,0.5373978571889162,0.5139785938470959,0.48808844230023746,0.4871718078482525,0.47436407762123023,0.4706131128367991,0.4656991148553389,0.4453302949321569,0.43011843176219183,0.4245239521669056,0.4159834349934283,0.4122238074542277,0.4046094960926858,0.3948777221202462,0.3916437513038522,0.38940568974143563,0.38484884803701236,0.3774848213544969,0.37089350576950736,0.35478437873071084,0.3522912848011549,0.3491817145468375],"twin_dists":[0.12282298548662554,0.13421313744823765,0.1385220134270993,0.14474062317205524,0.14984315455400937,0.15555240953678137,0.15575611020696467,0.1586150000105291,0.15945698859109853,0.16056348037234813,0.1651949400321422,0.16870637766952978,0.17001030254350444,0.1720148081462522,0.17290278392429168,0.17471211928693017,0.17704699765269225,0.17782873227088072,0.17837149271026426,0.17948114944406307,0.1812877508838093,0.18291937972325445,0.18696920444510445,0.18760430891641253,0.18839974888759023],"n_dims_used":45,"mean_confidence":0.9159233940972222},"coverage":{"mean_confidence":0.9159233940972222,"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}}