{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011719},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011788","490:4900011325","490:4900011923","490:4900010942","490:4900011808","490:4900011108","490:4900011328","490:4900010624","490:4900011918","490:4900011591","490:4900012055","490:4900011255","490:4900010611","490:4900011324","490:4900010963","466:4660007425","490:4900010073","490:4900010077","490:4900010795","490:4900011985","490:4900011723","490:4900009373","490:4900011593","490:4900010442","466:4660006986"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,466,490,490,490,490,490,490,490,490,466],"twin_sims":[0.2981719731383599,0.19250247669599818,0.15761402261224644,0.1532343559080657,0.12810067767143032,0.12717282266829355,0.09247927438386082,0.07829617537626912,0.06726524389409944,0.06610029209424592,0.0658396792828932,0.05983137261579956,0.058721287170421015,0.056096752674639844,0.04193776648284379,0.04149398587850035,0.0399196640928581,0.03841130840763194,0.03677871817715531,0.03551220099028072,0.03444305639796521,0.03426379364259783,0.032571717551709976,0.03150973328551651,0.0309317070024444],"twin_dists":[0.20204437267821015,0.23576038514753106,0.24965688136955985,0.251553625341218,0.26329237860639565,0.26375767759927166,0.28339855422813487,0.29314006882592364,0.3017513805308837,0.30272637633554933,0.30294641021868834,0.3082283125763809,0.3092514706609815,0.3117354218845553,0.32709649655810874,0.32764462093369007,0.32962985325735067,0.3315949434376297,0.33379693376379643,0.33556305176861323,0.3370961236393638,0.3373571274487153,0.33987986712532614,0.34152095011460115,0.3424341527786044],"n_dims_used":45,"mean_confidence":0.911930168999566},"coverage":{"mean_confidence":0.911930168999566,"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}}