{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003450},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003172","489:4890003446","489:4890003523","489:4890002746","489:4890002260","489:4890002345","489:4890002500","489:4890003514","489:4890002648","489:4890003452","489:4890003261","489:4890002262","489:4890002061","489:4890003587","489:4890003245","489:4890002473","489:4890001808","489:4890001993","489:4890002471","489:4890001976","489:4890003246","489:4890003247","489:4890003249","489:4890002564","489:4890002993"],"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":[0.9129828820458408,0.8974191499210372,0.876800171494769,0.8311712885250083,0.8243658547816611,0.8129094985620554,0.7989738853010104,0.7850292290287156,0.7788507733684037,0.7740693840033774,0.7728820867467253,0.7621178337050926,0.7604377972008192,0.7415287009235368,0.7376090128876818,0.7317698306295148,0.7281776686594026,0.7195943198280393,0.7182623674693093,0.7102456945910076,0.7095465663433004,0.6995809358467354,0.6887977913488438,0.6879207338421116,0.6830184994359154],"twin_dists":[0.055417961976606235,0.06042507248636107,0.06659818008649118,0.07898235168469006,0.08071902586966974,0.08359226744665138,0.0870114514853058,0.09036022983346544,0.09182334071988434,0.0929476357373516,0.09322578177176724,0.0957297609203201,0.09611781931479332,0.10043949281119609,0.10132563921041822,0.10264017024892577,0.10344569525278034,0.1053613804961946,0.10565756303608259,0.10743443675720026,0.10758894586127851,0.10978409350453773,0.11214532740900075,0.11233680100098822,0.11340554176675997],"n_dims_used":45,"mean_confidence":0.9151458740234375},"coverage":{"mean_confidence":0.9151458740234375,"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}}