{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001062},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001064","491:4910001201","491:4910001063","491:4910000998","491:4910001454","491:4910001007","491:4910001056","491:4910001316","491:4910001255","491:4910001261","491:4910001620","491:4910001137","491:4910001189","491:4910001739","491:4910002813","491:4910001320","491:4910001572","491:4910001068","491:4910001198","491:4910001512","491:4910001071","491:4910001318","491:4910001134","497:4970001599","491:4910001808"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,497,491],"twin_sims":[0.3415253046798776,0.30398438973254166,0.280565569293774,0.2645921037202564,0.21479870672679788,0.1915512301366046,0.18849486842122343,0.16769783628546567,0.1613761831897313,0.13978217301661933,0.11779393151340378,0.11093660220848368,0.09403362809708601,0.09243855639017964,0.08643331469132688,0.06524184410078372,0.052843202630617946,0.040875887356401526,0.02615936792513425,0.025516866820957603,0.019932432374126962,0.018180931647779716,0.017797978174974624,0.01649736762019971,0.015891360858161563],"twin_dists":[0.19037433700170556,0.20042616397048132,0.20706309667398257,0.2117843054879875,0.22778474044689895,0.23611453153588596,0.23726078302330825,0.2454312732505054,0.24805803348944203,0.2576409983241555,0.2686122485809236,0.27235249100980385,0.282404767437676,0.2834247642608306,0.287394492339909,0.30345385793168517,0.3149517205493694,0.3284163430474568,0.35059126103431754,0.3517856419561836,0.3634354663965825,0.3676793274322161,0.3686546477188973,0.37211043974992175,0.37380303644479834],"n_dims_used":45,"mean_confidence":0.8954199049207899},"coverage":{"mean_confidence":0.8954199049207899,"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}}