{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003172},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002746","489:4890003450","489:4890003514","489:4890002260","489:4890002500","489:4890003446","489:4890003523","489:4890003261","489:4890003245","489:4890002648","489:4890002345","489:4890003150","489:4890003452","489:4890001993","489:4890003246","489:4890002748","489:4890001808","489:4890003522","489:4890003151","489:4890002262","489:4890002471","489:4890002061","489:4890003518","489:4890003247","489:4890002425"],"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":[0.9505802044421308,0.9129828820458408,0.8973163076217858,0.8963351020673023,0.8861321459850371,0.8686236111629106,0.8651195786476977,0.8456843494215959,0.8063700858267163,0.7638804703137242,0.7600864671463022,0.7511401009369679,0.7421729946841349,0.7399854655679493,0.7386071034985441,0.7328677497632419,0.7245648929904571,0.7228144693820183,0.7204179380211339,0.7168381993933288,0.7165481183899498,0.707200936855008,0.7047415098234145,0.6993544254697275,0.6932989421557336],"twin_dists":[0.04134936873566093,0.055417961976606235,0.060457055318795194,0.06076153649401207,0.06386053884820984,0.0689302956272068,0.06991242459435662,0.0751947706376406,0.08520646900255047,0.09532184945824539,0.0961988804425901,0.09825296248090122,0.10029353538137681,0.10078874992586484,0.10110028709342324,0.1023934965952008,0.10425353649971017,0.10464413904957212,0.10517809253444704,0.10597394113922817,0.10603834363496553,0.10810683093638543,0.10864902434352068,0.10983383631838288,0.11116133292070357],"n_dims_used":45,"mean_confidence":0.9178280300564237},"coverage":{"mean_confidence":0.9178280300564237,"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}}