{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003039},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001148","490:4900003565","490:4900002284","490:4900004540","490:4900003716","490:4900003442","490:4900003698","490:4900003177","490:4900004137","490:4900004264","490:4900003035","490:4900002282","490:4900003846","490:4900002130","490:4900004135","490:4900002892","490:4900003584","490:4900004132","490:4900004548","490:4900002431","490:4900003440","490:4900003987","490:4900003720","490:4900003448","490:4900001832"],"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":[0.6137720569495438,0.6110729503332767,0.5979407598016996,0.5892990285317244,0.5527986331318057,0.5447743945775271,0.46119248684144665,0.4093455027857455,0.39874466522996377,0.37285578359253896,0.361107674825939,0.3586977888283056,0.3542271120288399,0.3397253628820374,0.33018801970243816,0.32270063879144645,0.32155599613053293,0.31208859982610543,0.30577721940594904,0.3049245203235799,0.30381800198057557,0.30215739019733917,0.30127782050942636,0.2946315689251197,0.2940793685881642],"twin_dists":[0.1283238359661396,0.12890184279334982,0.13171393789549335,0.1335652281893548,0.1414095793906422,0.14314307674419022,0.16158179528546426,0.17358498767503816,0.17611612634728754,0.1824321523381184,0.18536862293831857,0.18597691542927058,0.1871109641849827,0.19084195235901608,0.1933423333412852,0.19533314595773593,0.19563974621985708,0.19819954474572019,0.19993066740807644,0.20016612328590067,0.20047223546721388,0.20093285147360873,0.20117742104894476,0.20303911447463813,0.20319489963637244],"n_dims_used":45,"mean_confidence":0.9207622951931423},"coverage":{"mean_confidence":0.9207622951931423,"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}}