{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001874},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001338","490:4900001595","490:4900004156","490:4900003879","490:4900001337","490:4900001073","490:4900004580","490:4900001460","487:4870011570","490:4900003340","490:4900004183","490:4900004292","490:4900003607","490:4900001077","490:4900001474","490:4900003193","490:4900001319","490:4900001210","490:4900001185","490:4900001211","487:4870002454","490:4900004181","490:4900001473","490:4900004592","490:4900001424"],"twin_admin_codes":[490,490,490,490,490,490,490,490,487,490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,490],"twin_sims":[0.5647182823650406,0.5568875740251812,0.546782366534043,0.5320021349144137,0.48195912862826557,0.4595898702227327,0.4519896138093303,0.4483636304591034,0.44075373219178987,0.43014051865332215,0.42717958975692294,0.4200374635032446,0.41286324109434125,0.40445374734147643,0.39523043309868244,0.39380021099178986,0.38978988352907634,0.3879169887927803,0.38688081493848797,0.38175109445648236,0.377677789782139,0.3626383867678709,0.36252951877479445,0.361740793197579,0.35960395389882527],"twin_dists":[0.1388416325787405,0.1405277843349143,0.14270888825004707,0.14591186543351758,0.1569167573795708,0.16194476537111951,0.16367236936216872,0.1645003504687782,0.16624634362265647,0.16870124364208236,0.16939046679150607,0.17106115496653349,0.17275151088815716,0.17474928569340734,0.17696191795346633,0.17730712890625,0.1782782167549434,0.17873333441465333,0.17898557228810189,0.18023906929837752,0.18124019415408057,0.18498332120806443,0.1850106975001377,0.18520915768407356,0.18574794114564716],"n_dims_used":45,"mean_confidence":0.9167665269639756},"coverage":{"mean_confidence":0.9167665269639756,"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}}