{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006689},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007539","490:4900006438","490:4900007056","490:4900007177","490:4900007418","490:4900009106","490:4900007051","490:4900007057","490:4900006671","490:4900007419","490:4900007178","490:4900006188","490:4900005699","490:4900006683","490:4900006809","490:4900006789","490:4900007296","490:4900007526","490:4900005568","490:4900007300","490:4900006682","490:4900007301","490:4900007555","490:4900005698","490:4900006189"],"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":[0.04333954095346644,0.03183018597760677,0.020693612215679513,0.01042712058383809,0.009360685756492616,0.009109897457157092,0.008951822670938997,0.007688573592358743,0.00717594522575829,0.00593471761878517,0.005904256107029844,0.004894561495717895,0.004341060176741534,0.004330656734175799,0.004239655314455949,0.0041534051604526214,0.004097599971851342,0.0040700403097244185,0.0040571131343861856,0.004033241333851098,0.003940537503815256,0.0035565062618503947,0.003452768050456582,0.0029564462950155764,0.002716185620603946],"twin_dists":[0.3253966272540113,0.3410208366319158,0.3616919464331085,0.3923561835284342,0.39696734472946615,0.3981195939324285,0.39886051984210164,0.4052425326777775,0.4081044420027203,0.41587976019095385,0.4160884202479007,0.4236230485915654,0.4283746777920921,0.42846914437457884,0.4293043682634998,0.43011115603019834,0.430641312117212,0.4309055576837616,0.43103006601126065,0.4312609387821038,0.4321694565190247,0.4361531267846253,0.43729644535913337,0.44324194407471096,0.446455776203123],"n_dims_used":45,"mean_confidence":0.9054508633083768},"coverage":{"mean_confidence":0.9054508633083768,"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}}