{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002916},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003741","490:4900002455","490:4900004158","490:4900002452","490:4900003457","490:4900003724","490:4900004008","490:4900002307","490:4900003744","490:4900001841","490:4900003199","490:4900003058","490:4900003880","490:4900002768","490:4900001840","490:4900003864","490:4900004292","490:4900001996","490:4900003456","490:4900004304","490:4900002639","490:4900003324","490:4900002290","490:4900003340","490:4900004009"],"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":[0.6710441415112354,0.5377426092328568,0.5134434739214575,0.509383888262799,0.49439363977787526,0.4664016430782877,0.4427955614311338,0.4396746361613199,0.439513033757406,0.4313265848876084,0.4206726885017319,0.39507740031263444,0.38288957612238034,0.3827978773506337,0.37491210548441134,0.3676415398492801,0.3560891411288078,0.3515455633809324,0.3515096948268962,0.3412016813856917,0.32250381297483205,0.3121893186438469,0.3110930907820443,0.3086118158898338,0.2994565057821268],"twin_dists":[0.1160063987171549,0.14466586802983825,0.1499603668643223,0.15085058347666944,0.154154313297042,0.16040504715894158,0.16577674284335106,0.16649486707387598,0.16653210577348504,0.16842570359107287,0.17091208267233501,0.17699882767647376,0.17996017871561756,0.1799826271561074,0.1819229290754839,0.1837296591581016,0.18663774353204604,0.18779473187377205,0.18780389635941452,0.19045831514021974,0.19538582379140298,0.19817208239093273,0.19847125644870048,0.19915066284825517,0.20168517652567564],"n_dims_used":45,"mean_confidence":0.9165354410807292},"coverage":{"mean_confidence":0.9165354410807292,"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}}