{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002999},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003512","489:4890003079","489:4890002916","489:4890002743","489:4890001917","489:4890001848","489:4890002997","489:4890003600","489:4890002834","489:4890002666","489:4890002007","489:4890003339","489:4890002079","489:4890003513","489:4890001748","489:4890001994","489:4890002656","489:4890002506","489:4890001845","489:4890003135","489:4890001764","489:4890003184","489:4890002180","489:4890001837","489:4890001664"],"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":[0.8712337967730471,0.8691137862386135,0.8560210017675,0.8163198735828392,0.7910311640676844,0.7806077797203955,0.7782054894920222,0.7643629611976064,0.7572361101249218,0.743366678012256,0.7399723094536341,0.7364882127064567,0.7335575347044005,0.7306368041083373,0.7254137260146717,0.7212558198034518,0.7024399609513675,0.7001129731982497,0.6944438679071974,0.6925289449267994,0.6854199984440301,0.6777498089872792,0.6724399058559316,0.669768179084168,0.6680202155847067],"twin_dists":[0.06819212412408501,0.06879210767553105,0.07241836078434184,0.0827431976965172,0.08892712301125516,0.09140847602807249,0.09197546954823144,0.09521005080459621,0.0968554036639657,0.10002289282750208,0.10079172527224926,0.10157846362027145,0.10223840504241166,0.1028944985030613,0.10406393458978455,0.10499151748357147,0.10915567768715727,0.10966723009575785,0.11091067449864915,0.11132982319657621,0.11288229802714243,0.1145515171947725,0.11570388706118588,0.11628280549135406,0.11666124915277334],"n_dims_used":45,"mean_confidence":0.9150213453504774},"coverage":{"mean_confidence":0.9150213453504774,"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}}