{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002211},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002128","489:4890001951","489:4890002210","489:4890001863","489:4890002440","489:4890002044","489:4890001949","477:4770000106","489:4890001861","477:4770001648","489:4890002293","489:4890002129","489:4890002033","477:4770000161","477:4770000107","489:4890002363","489:4890002521","489:4890001944","489:4890002443","489:4890001956","489:4890001787","477:4770001369","489:4890001864","489:4890002610","489:4890002442"],"twin_admin_codes":[489,489,489,489,489,489,489,477,489,477,489,489,489,477,477,489,489,489,489,489,489,477,489,489,489],"twin_sims":[0.8411641468013407,0.7952861143661618,0.7840890342215117,0.783094532234424,0.7725221707830353,0.7661791424622347,0.7313998819466968,0.7313382588439737,0.7298363596825508,0.7237533774139778,0.7202664814084249,0.7048882812860552,0.7001413475157102,0.69300941372987,0.6857735246082078,0.6741418486347701,0.6686380372062628,0.6666345636642369,0.6647687954178579,0.6618733101939742,0.638473496317986,0.6259895798486889,0.618678741367074,0.6043855917200807,0.6025496884032504],"twin_dists":[0.07638750062238524,0.08790369996197415,0.09058365186873185,0.09081967158757968,0.09331001908389089,0.09478867352741556,0.1027232378010336,0.10273707208610446,0.10307403157450276,0.10443468829199037,0.1052118059055778,0.10861669081968307,0.10966099660014203,0.1112246953120638,0.11280522135450972,0.1153347943691241,0.11652751485153393,0.11696108164124515,0.1173645747991597,0.11799025560611119,0.12302824666536286,0.12570636812653183,0.1272729073976428,0.1303338058238823,0.1307269322887022],"n_dims_used":45,"mean_confidence":0.9196914672851563},"coverage":{"mean_confidence":0.9196914672851563,"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}}