{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003905},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003651","489:4890003642","489:4890003645","489:4890003713","489:4890003898","489:4890003847","489:4890003722","489:4890004211","489:4890003906","489:4890003774","489:4890003715","489:4890003836","489:4890003897","489:4890003646","489:4890003648","489:4890003647","489:4890004253","489:4890004244","489:4890003717","489:4890004074","489:4890003784","489:4890003710","489:4890003709","489:4890003706","489:4890004240"],"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":[0.8681647260656815,0.8474093938075116,0.7775770977148522,0.7557601192195634,0.7517203976890073,0.738146128098239,0.7304050779098116,0.7176261910091635,0.7123948083329957,0.7027421401925861,0.6871477747657901,0.6861702139837987,0.67110779867501,0.6574025312465304,0.6388811503607876,0.6107761776151062,0.6046165283532365,0.5911901272080221,0.5908463741014173,0.5488012546205275,0.5459653345980582,0.5455424413739617,0.5386217692223308,0.5300960301857884,0.5191539351773541],"twin_dists":[0.06905948233700308,0.07473627465541656,0.09212349552895543,0.09719459130643814,0.09812029733899946,0.10120439209379678,0.10294648473152843,0.10579892857397565,0.10695903510266684,0.10908919697638547,0.11250548034803325,0.11271871872439584,0.11599260544947311,0.1189552138581209,0.12294070643862536,0.12896539313918445,0.13028435554106227,0.13316000327125255,0.13323365781664176,0.14227261537097857,0.14288552342396707,0.1429769672575459,0.14447527523227435,0.14632620219053386,0.14871109042849942],"n_dims_used":45,"mean_confidence":0.9200362311469183},"coverage":{"mean_confidence":0.9200362311469183,"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}}