{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002818},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002821","490:4900003505","490:4900004471","490:4900002970","490:4900003776","490:4900002669","490:4900002222","490:4900006198","490:4900002670","491:4910001964","490:4900007161","490:4900002221","491:4910001963","490:4900002819","490:4900002673","490:4900002674","490:4900004053","490:4900002370","490:4900006447","490:4900003915","490:4900004478","490:4900004472","491:4910001689","491:4910002159","491:4910001625"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,491,490,490,491,490,490,490,490,490,490,490,490,490,491,491,491],"twin_sims":[0.6778525763705994,0.5709629816907388,0.5496448663914579,0.44297600511368085,0.4147693612512015,0.34924796643852923,0.3357161445584213,0.30304113404765,0.2989472525150597,0.24904537346362515,0.2372377934264032,0.23708534451321184,0.23520027629301332,0.22068993819829136,0.22051850939790857,0.20690014100963325,0.20233250685521859,0.2021878184563283,0.19315993209001173,0.19095071537360225,0.18962622941920174,0.1787921121166604,0.17066461330192662,0.16954238521757917,0.1544339208631758],"twin_dists":[0.1145291895895735,0.13749910809487728,0.1420903943237964,0.1657352829339437,0.17230117586717636,0.18838276283188518,0.1918883383336434,0.20068753834952455,0.2018274716919457,0.21655340527900407,0.22030421302306286,0.2203534233692284,0.22096363660322918,0.22577226053313476,0.22583030906871637,0.23054232473611,0.23216988021771012,0.232221845894953,0.23551632823850488,0.2363387334034719,0.23683497562556022,0.2409885091381867,0.24422309245607243,0.24467831719853786,0.2510302148610288],"n_dims_used":45,"mean_confidence":0.8991177029079861},"coverage":{"mean_confidence":0.8991177029079861,"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}}