{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001790},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003830","490:4900003966","490:4900003547","490:4900003687","490:4900003689","490:4900004105","490:4900002558","490:4900003831","490:4900002422","490:4900004241","490:4900002700","490:4900004380","490:4900004106","490:4900004526","490:4900003674","490:4900003693","490:4900001384","490:4900003827","490:4900009715","490:4900003675","490:4900004247","490:4900002097","490:4900002099","490:4900002407","490:4900009282"],"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":[0.297437032713757,0.2749604756209259,0.2438457637366448,0.23858779859118656,0.23144495245135213,0.206057273018072,0.20154024782591534,0.19655322206794212,0.1869764034867416,0.18162482861288184,0.18149360549069085,0.17355909950068746,0.1637092601269208,0.1595084654385971,0.15154381758740587,0.15123681102460387,0.14334986531162727,0.1406643638735662,0.13726248297279617,0.12945313742311218,0.12494655533401927,0.11896900304195783,0.11769259198691709,0.116885576022725,0.11663587577006129],"twin_dists":[0.2022502937414962,0.20870049527787632,0.2181906360366973,0.21986932990693495,0.22218888572067605,0.23084079486932751,0.23245473837723682,0.23426578679267152,0.2378351068466222,0.239885744028173,0.23993655872532965,0.2430587831729451,0.24708007521810446,0.2488483486610518,0.25229639134496823,0.25243193204651093,0.25598568019174456,0.25722878295125434,0.25882914970418486,0.2626186953990292,0.2648846884400726,0.26798821092233094,0.2686662892889357,0.26909791970248054,0.2692319341388066],"n_dims_used":45,"mean_confidence":0.9194264729817708},"coverage":{"mean_confidence":0.9194264729817708,"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}}