{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003780},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004195","490:4900004338","490:4900003240","490:4900002667","490:4900003241","490:4900004335","490:4900003922","490:4900004193","490:4900003630","490:4900003775","490:4900003632","490:4900002368","490:4900002967","490:4900002369","490:4900004331","490:4900004470","490:4900005950","490:4900003634","490:4900002965","490:4900003502","490:4900003245","490:4900002966","490:4900005292","490:4900004206","490:4900005285"],"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":[0.595839789715454,0.5843024500122354,0.5257018755461286,0.4240449716200154,0.4105059599553801,0.39899764842727437,0.3918289430056273,0.3807137745517402,0.34497384031373846,0.3226119899681123,0.31814566872790523,0.30184527084401913,0.29623773435882694,0.29215925705289836,0.269003907070503,0.26862705635453904,0.2512160061889951,0.22963891210793186,0.22566396503216307,0.22188500302914657,0.21236451405051637,0.19612538085281217,0.1950068983118993,0.1945713142854673,0.19267225270691005],"twin_dists":[0.13216392549238315,0.13463625710874974,0.14728259360706022,0.1701222695994122,0.17330968890023699,0.17605537127490467,0.17778388580886867,0.1804935269047049,0.18948208695674876,0.19535686942620867,0.19655686703966302,0.2010195905707168,0.20258696531285356,0.20373794800856376,0.21046314945713213,0.21057547302512253,0.2158764123285079,0.22278280175287055,0.22410092231881135,0.22536842792235873,0.22862713693169667,0.23442263119214615,0.2348337848881558,0.23499434813084435,0.2356973063326341],"n_dims_used":45,"mean_confidence":0.8994318644205729},"coverage":{"mean_confidence":0.8994318644205729,"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}}