{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012201},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011799","490:4900011529","490:4900011595","490:4900004797","490:4900012196","490:4900011118","490:4900011729","490:4900011941","490:4900008838","490:4900011113","490:4900011526","490:4900012071","490:4900012070","490:4900011604","490:4900011530","490:4900009167","490:4900011730","490:4900010786","490:4900011331","490:4900012122","490:4900011606","490:4900011534","490:4900011035","490:4900011794","490:4900008063"],"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":[0.5005910858912119,0.4503095138742433,0.3374142783100386,0.33342717907147906,0.3289379857239586,0.286074545528128,0.2668440135431694,0.26584676441248717,0.2583133127359664,0.2578466625637094,0.2568330316564744,0.2540028921093645,0.24333537434297406,0.22717013826759247,0.22468505151700563,0.21335314058041513,0.20758542607732167,0.20581653291014618,0.20563562878342975,0.20394376599716094,0.1964693279040769,0.18342055173424698,0.17723621934131376,0.17016535286940787,0.1689413604967427],"twin_dists":[0.15278514471920346,0.16405570492977795,0.19144431533662754,0.19248878155258223,0.19367295663830875,0.20547300196552365,0.21110825338454617,0.21140720030295418,0.21368849269539295,0.21383117128654563,0.21414165216844633,0.21501266601591132,0.2183525527952937,0.22359966882033294,0.224427896244232,0.22828422143661564,0.23030026791567754,0.23092619708253642,0.2309904175191021,0.23159290388254114,0.23429652330728956,0.2391929616426647,0.24159949200790728,0.24442534819536516,0.24492300936787573],"n_dims_used":45,"mean_confidence":0.9121392144097222},"coverage":{"mean_confidence":0.9121392144097222,"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}}