{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001812},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003301","489:4890002321","489:4890001896","489:4890001811","489:4890003067","489:4890001813","489:4890002059","489:4890003429","489:4890003493","489:4890002074","489:4890002487","489:4890001992","489:4890001895","489:4890003562","489:4890003426","489:4890003372","489:4890003499","489:4890001734","489:4890001900","489:4890002233","489:4890002893","489:4890002556","489:4890002632","489:4890003300","489:4890002239"],"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":[0.9493958512687907,0.9161157325951343,0.9077660550863055,0.8947879950138106,0.8924516960395121,0.8870565580414614,0.8859820865421215,0.8856633878125286,0.8786243912186243,0.8781330825759532,0.8719893312717103,0.8717229900901918,0.8667270826715305,0.8666080973313344,0.8484231732822983,0.8443574618591331,0.8418790320661261,0.8381949157016012,0.8363773737161224,0.8316968449420187,0.815130913244615,0.8040089419605647,0.8039405243461119,0.802383178214812,0.8013359827572429],"twin_dists":[0.0418548389285964,0.054365335244766486,0.057135500079059015,0.06123921994972151,0.061955137045755816,0.06358454762477224,0.06390525502897001,0.0640001454381948,0.0660696897383767,0.06621233240981891,0.06797737609451804,0.06805313520070153,0.06946309612388037,0.06949642573743636,0.07446594544695187,0.07554617989446162,0.07619968542408903,0.07716437971805548,0.07763743550191665,0.07884724377119583,0.08303979089384995,0.08578500167532595,0.08580173258315898,0.08618207288422935,0.08643729461878596],"n_dims_used":45,"mean_confidence":0.9139622158474392},"coverage":{"mean_confidence":0.9139622158474392,"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}}