{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005177},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007554","490:4900004900","490:4900005321","490:4900004911","490:4900005961","490:4900006814","490:4900005709","490:4900005191","490:4900006813","490:4900006702","490:4900005967","490:4900007553","490:4900004764","490:4900005569","490:4900005175","490:4900004622","490:4900005176","490:4900005437","490:4900004625","490:4900005314","490:4900005040","490:4900007187","490:4900004639","490:4900005189","490:4900006448"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.35176158962683396,0.3448956019456022,0.3340825550323515,0.23237475647298095,0.225951348627066,0.19845570981379002,0.1789305895117064,0.14424103277960731,0.13799997099302494,0.1326116446025129,0.13221243218816153,0.12678774303143064,0.10995657217448543,0.0875515695755933,0.08683169155750695,0.08509483011196778,0.08332749969490687,0.07718371630129672,0.076107265010078,0.07477306061467745,0.07027381969020297,0.0650540465531214,0.06412183344391016,0.06399082921164859,0.05288696299236147],"twin_dists":[0.1877395470581827,0.18950227709385958,0.19231663451586933,0.2218843095465053,0.22400511023959285,0.23357119212106317,0.24093431371716933,0.2555769898114849,0.25847971438809036,0.26106583585884163,0.2612605567788682,0.2639515417926891,0.27290148650362445,0.28663904241092253,0.28712447768991317,0.2883090173844648,0.28953428687835936,0.29396233240070796,0.29476711178790604,0.29577742516190275,0.2992955211428554,0.3036140459062696,0.30441484723111745,0.3045281458109777,0.3149073855928609],"n_dims_used":45,"mean_confidence":0.913594224717882},"coverage":{"mean_confidence":0.913594224717882,"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}}