{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":494,"cluster_id":4940007002},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["494:4940007001","494:4940008042","490:4900000220","490:4900000386","490:4900000550","494:4940006893","494:4940007836","490:4900000363","490:4900000304","490:4900000641","494:4940007342","494:4940007435","490:4900003006","490:4900002867","494:4940005444","494:4940006241","494:4940008266","490:4900003020","494:4940008242","494:4940008259","494:4940007340","494:4940006713","490:4900000538","494:4940008375","494:4940008246"],"twin_admin_codes":[494,494,490,490,490,494,494,490,490,490,494,494,490,490,494,494,494,490,494,494,494,494,490,494,494],"twin_sims":[0.6113917755650838,0.14769075560968073,0.14012214648236437,0.12660242108032474,0.11143750505998715,0.07699685627572972,0.0696641028888969,0.06651902037848806,0.053845746387359436,0.050804495514041696,0.039804290083129724,0.038270656763506015,0.03773681077510887,0.03302927809886707,0.03196222123277719,0.03171680565375815,0.03111784948798159,0.029069965799630712,0.028860210204011572,0.028327233965761707,0.026954288402075314,0.026518906001347084,0.025099252829850028,0.02467071528538403,0.023796631210794],"twin_dists":[0.12883356964237497,0.25401236444138037,0.257481912144294,0.26404499921420804,0.2720733401423764,0.2941013821669588,0.29978622230550495,0.30237432418911725,0.3139435685277716,0.31705181762022094,0.3297779253030518,0.3317814953506596,0.33249488324695536,0.339186855663491,0.34081602777012066,0.34119728903940066,0.34213849025899523,0.3454783296054868,0.34583171241832333,0.3467396643967772,0.34914807835576855,0.34993389987064544,0.3525759711982709,0.3533988780936755,0.3551164285376624],"n_dims_used":44,"mean_confidence":0.908843994140625},"coverage":{"mean_confidence":0.908843994140625,"n_dims_used":44,"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}}