{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001056},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001261","491:4910001620","491:4910000998","491:4910001454","491:4910001808","491:4910001062","491:4910001320","491:4910001201","491:4910001255","491:4910002205","491:4910001739","491:4910001063","491:4910001455","491:4910001316","491:4910001007","491:4910001064","490:4900006079","491:4910001619","491:4910001137","491:4910001189","491:4910001561","491:4910001131","491:4910001621","491:4910001192","491:4910001624"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,490,491,491,491,491,491,491,491,491],"twin_sims":[0.46480992459764237,0.43431002314644335,0.2200802271149637,0.21405088749410073,0.20082326309789886,0.18849486842122343,0.1431189657656081,0.13454263374133646,0.12401157909358619,0.09597307284385946,0.08688743909340847,0.07962007568429168,0.07680378200279536,0.06146717373534088,0.06037165565938254,0.05646233570693412,0.03299949240816459,0.03248550011624105,0.028468558224216015,0.023685523802055096,0.01885837432056905,0.018576457010884093,0.01684140467394479,0.015868395765912126,0.015838508199889058],"twin_dists":[0.1607641279280826,0.16773395984244707,0.22597885592260408,0.22804284706753497,0.23271319620475303,0.23726078302330825,0.2560918785338713,0.26013014608019575,0.26536255381178997,0.28118277117112034,0.28708677138017136,0.2921736673150898,0.29424534183694634,0.30674869309576763,0.30773597724615587,0.3113837452100301,0.3392317182644104,0.34001137994907327,0.34649749051529827,0.3553386492069129,0.3659971910392345,0.36669068510688807,0.3711736894136442,0.37386828757879415,0.3739533321326008],"n_dims_used":45,"mean_confidence":0.8956460740831164},"coverage":{"mean_confidence":0.8956460740831164,"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}}