{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002556},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002487","489:4890002322","489:4890002635","489:4890001992","489:4890003372","489:4890003552","489:4890002555","489:4890002808","489:4890002072","489:4890002906","489:4890003562","489:4890003489","489:4890002557","489:4890002893","489:4890002550","489:4890003067","489:4890003435","489:4890003300","489:4890003488","489:4890003429","489:4890003071","489:4890002408","489:4890003499","489:4890002488","489:4890003490"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.9580321342605329,0.933768011463408,0.9325766028160657,0.9269153870388688,0.9223937184469274,0.9168081437352354,0.9136514726177152,0.9103913754137014,0.910253070748853,0.9030885546193614,0.8999520834003178,0.8992262639723841,0.8990275856320799,0.8959135721172092,0.8956620474594325,0.8934608204776244,0.8916782657772803,0.8914394599488721,0.8909070553093622,0.8892304501920582,0.8885013198708938,0.8879564395221122,0.8875255390378302,0.8857923868255514,0.8838848844410598],"twin_dists":[0.03803081527708736,0.04808066951271627,0.04852649747722738,0.05059873812963449,0.05220344398053408,0.05413041817108332,0.055194701689480874,0.056276486869585585,0.05632200524964813,0.058640787000404405,0.059633114416681766,0.0598608946052219,0.059923125826551356,0.06089197721893575,0.060969706729712594,0.06164669942176259,0.06219073423464968,0.06226333872427972,0.06242497232365481,0.06293188941910886,0.0631513665213865,0.06331500254116507,0.06344418066532681,0.06396174969360753,0.06452774294636146],"n_dims_used":45,"mean_confidence":0.9140816582573785},"coverage":{"mean_confidence":0.9140816582573785,"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}}