{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012807},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012741","490:4900012678","490:4900012742","490:4900012806","490:4900012674","490:4900012804","490:4900012675","490:4900012805","490:4900012879","490:4900012320","490:4900012254","490:4900012871","490:4900012812","490:4900012878","490:4900012985","490:4900012982","490:4900012322","490:4900012938","490:4900012319","490:4900012390","490:4900012803","490:4900012531","490:4900012809","490:4900012321","490:4900012464"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5470235795680182,0.53616008868188,0.4898039570296372,0.33264354146635383,0.32320852249654614,0.3043686912306892,0.2848151755032392,0.24286796869044486,0.24206043435748367,0.23599037105739928,0.19258552765667256,0.16096995838114309,0.15955402260491816,0.14538326305455732,0.13992274194378426,0.11478386371717927,0.1012227918415919,0.07904244869648955,0.07660780791659044,0.07642821608133757,0.07178649759082265,0.0541900526945485,0.05134836289113513,0.04917150345527792,0.04702156217655363],"twin_dists":[0.14265674879273102,0.14500909504442205,0.15517148683534188,0.19269486113873754,0.19519730031587468,0.20031980969843588,0.20583486356790615,0.21850102595092785,0.2187579783619552,0.22070748822785766,0.23572952343948433,0.24822935766025184,0.24882899153961255,0.2550558912976944,0.25757518596551743,0.27023284929324,0.2779697150802799,0.29259371595006645,0.29439176195859595,0.2945262073722644,0.2980928663014139,0.3136009254832077,0.31648481829934016,0.3187851778889138,0.32114202967117383],"n_dims_used":45,"mean_confidence":0.9089323255750869},"coverage":{"mean_confidence":0.9089323255750869,"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}}