{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004576},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002310","490:4900002311","490:4900004020","490:4900001161","490:4900003743","490:4900004432","490:4900002308","490:4900004290","490:4900002166","490:4900000909","490:4900003231","490:4900003297","490:4900003298","490:4900004575","490:4900003085","490:4900002477","494:4940007888","496:4960009171","494:4940008686","494:4940004288","490:4900005399","490:4900002884","494:4940007594","490:4900001838","490:4900002325"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,496,494,494,490,490,494,490,490],"twin_sims":[0.4626658924746991,0.39324210468450604,0.3911839411533753,0.38628157966028426,0.36866017747674007,0.3492068949550533,0.3341680455264204,0.3104171624521455,0.2923204542031115,0.2823062470341494,0.2763567245567006,0.2620299348878852,0.24882757210055426,0.24447465960066916,0.24440399154386297,0.23786432970005048,0.23603397369643425,0.23042803456446992,0.2277191332089838,0.22428036531293502,0.21591267609452508,0.214834479416757,0.21232502596411185,0.2117470064173061,0.20489196937394746],"twin_dists":[0.1612484834658849,0.17744199577405767,0.17794012380366495,0.1791315912596627,0.18347546642707827,0.18839329278491357,0.19229419235611078,0.19865602603327853,0.20369227681406926,0.20655865079897404,0.20829072258221448,0.21255788260203096,0.21662154281826934,0.21799142473475164,0.21801379329732387,0.2201021840923497,0.22069336861170208,0.222522921546831,0.22341751162614537,0.2245633451316892,0.2274013806736902,0.2277724088705457,0.22864085621438568,0.22884187476673762,0.23125482116003776],"n_dims_used":45,"mean_confidence":0.9159478081597222},"coverage":{"mean_confidence":0.9159478081597222,"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}}