{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002417},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002415","490:4900002565","490:4900002264","490:4900002266","490:4900002110","490:4900003823","490:4900004376","490:4900002109","490:4900003554","490:4900003412","490:4900002859","490:4900001948","490:4900001802","490:4900002855","490:4900001809","490:4900002113","490:4900001254","490:4900002568","490:4900004101","490:4900002559","490:4900002117","490:4900004103","490:4900001798","490:4900001526","490:4900001953"],"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":[0.6684754865519316,0.5890887417318963,0.5655590997923399,0.4994801760754346,0.4227906083570608,0.39247470498248493,0.3704100331453004,0.32751256001602796,0.3135296681467401,0.2991836816762889,0.2935289487108801,0.28464544925731033,0.2771965341475962,0.2734023375995306,0.25205775841286704,0.2337561679006837,0.2308775416064382,0.23024131193574618,0.2139359933647095,0.2079627211529223,0.20018439564285392,0.1962439936779997,0.1894378193939869,0.18907308568420486,0.18621969763368482],"twin_dists":[0.11656270362079416,0.13361029271549046,0.13866076626406906,0.1530302182568448,0.17041574157480854,0.17762758379365012,0.18303962032124516,0.19405081454245904,0.19780709763994694,0.2017613911934502,0.20335035477753385,0.20588370546755183,0.2080448637008138,0.20915928766987693,0.21561488563201509,0.22143327570952326,0.22237514854531262,0.22258436146732796,0.22808255623808293,0.23016723209085377,0.23294403021778365,0.23437912460512542,0.23690576342256103,0.2370429381127293,0.23812253544000117],"n_dims_used":45,"mean_confidence":0.9196095784505208},"coverage":{"mean_confidence":0.9196095784505208,"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}}