{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001082},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000239","490:4900000835","490:4900000608","490:4900000246","490:4900000245","490:4900000144","490:4900000235","490:4900000394","490:4900000285","490:4900000030","490:4900000186","490:4900000583","490:4900000237","490:4900000832","490:4900000143","496:4960008055","490:4900000163","490:4900000213","490:4900000622","490:4900000718","496:4960008383","496:4960008056","490:4900000026","496:4960009569","490:4900000162"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,496,496,490,496,490],"twin_sims":[0.6019894257523921,0.5894678913563108,0.5823590374287799,0.5574315603003964,0.550809136302077,0.5026641257203773,0.4992552137424923,0.4930514922087057,0.48188957226115087,0.4555382880415276,0.445079118971508,0.427228062700921,0.41316574080405305,0.3782155607000763,0.3742448174558579,0.37383420705526105,0.36929699452159676,0.3661089935045776,0.35924257022511025,0.35635325031536147,0.3494811434405424,0.331987872243051,0.3316895122931951,0.3197765726080244,0.3088015955674045],"twin_dists":[0.1308469054700537,0.13352904146886943,0.1350529965380732,0.14041054453247567,0.14183898620984983,0.15232822143445204,0.15307986484678554,0.1544514738659357,0.1569322710628352,0.16286442040448587,0.16525253619947228,0.16937916785739224,0.17267998299234494,0.1811077237765224,0.18208802406116206,0.18218968581496414,0.18331673196563172,0.18411275875333138,0.18583922193125513,0.18657072576283215,0.18832299296052618,0.19286749148324597,0.1929461079800524,0.19611759192830736,0.19909858819642057],"n_dims_used":45,"mean_confidence":0.9165718078613281},"coverage":{"mean_confidence":0.9165718078613281,"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}}