{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001059},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000277","496:4960009276","490:4900002191","490:4900000405","490:4900001433","490:4900000946","496:4960009185","490:4900000215","490:4900000284","496:4960008027","490:4900000709","490:4900000617","496:4960008863","490:4900002193","490:4900002159","494:4940008729","490:4900001051","490:4900004461","496:4960008872","496:4960008866","496:4960008958","490:4900000598","490:4900000918","490:4900003222","490:4900000126"],"twin_admin_codes":[490,496,490,490,490,490,496,490,490,496,490,490,496,490,490,494,490,490,496,496,496,490,490,490,490],"twin_sims":[0.5397561332152973,0.5215671674129095,0.5163651745658984,0.4745357168991354,0.46921275821744274,0.43730907517010165,0.42973325734554996,0.41816445850072786,0.40617221479922483,0.4049194073099869,0.3886378799079173,0.38431751762094624,0.378012257202218,0.3749812516997312,0.34722767438962804,0.34581699829834517,0.34140539446287294,0.3379367358974988,0.3370830854604625,0.3365177971583369,0.31706427191052206,0.3168786171560984,0.314325544793009,0.309981268495244,0.30978361405638344],"twin_dists":[0.14422944493174852,0.1481841397127708,0.1493207665175409,0.15857652467286068,0.15977190583621395,0.16704051116091087,0.16879592751771424,0.17150126267613391,0.1743395600315425,0.17463818404188167,0.17855803405389595,0.17961094096041633,0.1811577932355557,0.18190582972682628,0.18890150127326755,0.18926465599827955,0.19040544795774114,0.19130794764551298,0.1915308196644454,0.19167857357717535,0.19684883503902237,0.19689901674707086,0.19759079599532822,0.1987753027878025,0.19882942004428442],"n_dims_used":45,"mean_confidence":0.9167867024739583},"coverage":{"mean_confidence":0.9167867024739583,"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}}