{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007404},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001135","491:4910000995","491:4910002664","490:4900007545","491:4910001139","491:4910001269","490:4900006561","491:4910002309","491:4910001623","491:4910001807","490:4900005829","490:4900006323","491:4910001125","497:4970001279","491:4910001057","491:4910001335","497:4970000370","491:4910002413","490:4900007061","490:4900002223","491:4910002362","491:4910001268","497:4970001005","490:4900006441","497:4970001600"],"twin_admin_codes":[491,491,491,490,491,491,490,491,491,491,490,490,491,497,491,491,497,491,490,490,491,491,497,490,497],"twin_sims":[0.11657036092930509,0.04053300606272072,0.03529166498586427,0.029845022506174004,0.02127140756925014,0.018904762920181277,0.01702002081425566,0.01640609457243545,0.014995810972767773,0.01268822527343011,0.011695591338494396,0.011076808475288469,0.009147146940735615,0.008838687670856157,0.00803387481953109,0.007456992901898067,0.007446617855030992,0.007204325860117451,0.0069948625774680084,0.006975969674158267,0.005654005120688664,0.00514774325460083,0.005104270193459958,0.004815181384680586,0.004752778627853869],"twin_dists":[0.26926713248586664,0.32884869921471804,0.33587603783030107,0.3441912679831391,0.3604053984334033,0.36588394825415577,0.3706939551422204,0.37236183740479484,0.3764113253341931,0.3838260623093023,0.3873894202978669,0.3897490598546129,0.39794667248993676,0.3993980199301534,0.4034098232594777,0.4065134954570118,0.40657126121844983,0.4079412688193283,0.4091594390593355,0.40927092051762,0.4178404031650458,0.4216101486164462,0.42194930940967745,0.4242735951976324,0.4247918664159425],"n_dims_used":45,"mean_confidence":0.8947419908311632},"coverage":{"mean_confidence":0.8947419908311632,"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}}