{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000044},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000948","490:4900000952","490:4900000830","490:4900000239","490:4900000951","490:4900000246","490:4900000733","490:4900000832","490:4900000161","490:4900000622","490:4900001735","490:4900000241","490:4900001458","490:4900000808","490:4900000957","490:4900000042","490:4900002039","490:4900001179","490:4900000288","490:4900000511","490:4900000703","490:4900000433","496:4960008764","490:4900000047","490:4900000174"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490],"twin_sims":[0.555488752417708,0.5097378841248233,0.47129791570440666,0.388906374420394,0.3739043931629752,0.3525854761859468,0.33747531613735887,0.33192965963301174,0.3244997019148854,0.320514466194039,0.3076522988894857,0.30640325090987597,0.29684561201427023,0.29490802523590026,0.26474963882022606,0.25955298947138417,0.25910424225912093,0.25736476890909166,0.25400244332192445,0.2527453423590185,0.24813417765074625,0.24804607115145932,0.24795260179867384,0.24409720857946557,0.24380612953071537],"twin_dists":[0.1408293352133271,0.15077288461120586,0.15930310245107196,0.17849278293439677,0.18217230476625135,0.1875292437318475,0.19142837785762382,0.19288282720873293,0.19485247796646082,0.1959192578708091,0.19941423212505602,0.19975804281335224,0.20241621958445172,0.20296118623061987,0.21173689507575313,0.21331024811185043,0.21344703616709249,0.21397868172187612,0.215012804623154,0.2154016706521428,0.21683872093980225,0.21686634462822785,0.21689565659136179,0.2181109477301471,0.21820320181293823],"n_dims_used":45,"mean_confidence":0.9174696180555556},"coverage":{"mean_confidence":0.9174696180555556,"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}}