{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003878},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004444","490:4900003072","490:4900003603","490:4900004014","490:4900003594","490:4900003338","490:4900004155","490:4900004154","490:4900004161","490:4900004430","490:4900004431","490:4900004295","490:4900002022","490:4900002476","490:4900003462","490:4900004305","490:4900004579","490:4900001732","490:4900002472","490:4900002320","490:4900004150","490:4900003329","490:4900003477","490:4900001469","490:4900002778"],"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":[0.7101475834435167,0.6868675088547851,0.648484638800734,0.6219133387918723,0.6137311881012992,0.6012070352001394,0.583788324619609,0.5704942026205129,0.5694225893326101,0.5633879418606443,0.5419464460498242,0.5398660553502153,0.5307315468239114,0.5169208066290449,0.5057015937665367,0.5040918603155546,0.5011167397927911,0.482079638703287,0.4790414679214807,0.4772382301297758,0.47369691994646174,0.463044534263087,0.45454527844746995,0.45304742627065087,0.43367197225629767],"twin_dists":[0.10745612378780577,0.11256662588008395,0.12087637864917411,0.12657993190715558,0.12833258832858735,0.13101444735193962,0.13474649487043272,0.137599830799775,0.1378301136499144,0.13912786811895209,0.14375505283016937,0.14420562870432596,0.14618802292857883,0.1491992316038164,0.15165965220802982,0.15201383103754937,0.1526692349095631,0.15688988077401095,0.15756811633119377,0.15797131827782437,0.15876459634689985,0.16116288800315273,0.16309027180651264,0.16343128735019866,0.16788173794911768],"n_dims_used":45,"mean_confidence":0.9172492980957031},"coverage":{"mean_confidence":0.9172492980957031,"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}}