{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012133},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012134","490:4900012200","490:4900012074","490:4900010785","490:4900011938","490:4900011939","490:4900012139","490:4900011473","490:4900012003","490:4900011872","490:4900011415","490:4900012007","490:4900004662","490:4900011605","490:4900011548","490:4900009159","490:4900012069","490:4900011204","490:4900011472","490:4900012068","490:4900006374","490:4900012006","490:4900011476","490:4900012206","490:4900009154"],"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":[0.5553083136608331,0.41295605404261604,0.3649628104345613,0.33426160464134835,0.3227094765042902,0.3158067930814407,0.3058757662729214,0.29308906335981116,0.28889485880145643,0.22804614987596786,0.2266864664931724,0.1979585947685951,0.19072583425907108,0.17914840792123662,0.1686297572908895,0.1603656190181084,0.15774714101903947,0.15132525145234854,0.1420758352416491,0.1408409962347347,0.13962290276063932,0.13696181048131076,0.12579586259439338,0.12489876923896422,0.12050061230078901],"twin_dists":[0.14086824149071261,0.17272956228086309,0.18439980356222518,0.19226963567600144,0.1953307810810988,0.19718905180790514,0.19990348014266276,0.20347471576510998,0.2046660779706765,0.22330914525336906,0.22376039355661936,0.23375224187612248,0.23642281928682823,0.24084912705497857,0.24505011716182923,0.24848481813295445,0.2495998368806413,0.2523928656477719,0.2565732417488979,0.2571464807840695,0.25771562605808135,0.25897201692719274,0.26445295708565053,0.264909045854588,0.2671818688005579],"n_dims_used":45,"mean_confidence":0.9106179979112413},"coverage":{"mean_confidence":0.9106179979112413,"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}}