{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002698},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002697","490:4900003398","490:4900003662","490:4900002994","490:4900002990","490:4900003803","490:4900002991","490:4900003949","490:4900003810","490:4900001246","490:4900003257","490:4900004357","490:4900003792","490:4900002550","490:4900003266","490:4900003535","490:4900004217","490:4900003522","490:4900003660","490:4900003127","490:4900003129","490:4900003529","490:4900001376","490:4900001378","490:4900003262"],"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":[0.629541945694878,0.4975700001651615,0.4155893482875576,0.4029528358163476,0.39053870725479595,0.33044346376312583,0.32843847127616604,0.3176767855729575,0.2504226621096404,0.23988812705518558,0.23253033906832132,0.21732011688769146,0.19700068287971378,0.17164342124808366,0.1704931040505419,0.16843819420454914,0.15722141752626131,0.14752087769301103,0.145333502615264,0.12323154165126331,0.1042548831026084,0.10233362307080623,0.10080019004759554,0.0978902338143259,0.0912384952784231],"twin_dists":[0.12494476409259374,0.15345197236436414,0.17210772320911008,0.1751077784151223,0.1780965384950963,0.19327485520339296,0.193805267157814,0.1966833926839631,0.2161234112488668,0.2194519615889416,0.2218334236277987,0.22691892671551148,0.23410200273334592,0.243827794877513,0.24429252476687613,0.24512834257602342,0.24982532717193676,0.2540887763451806,0.25507852925243735,0.2657633309039628,0.27617293361692935,0.2773066348104084,0.2782234692653722,0.2799937617296723,0.2842013688353822],"n_dims_used":45,"mean_confidence":0.9168108622233073},"coverage":{"mean_confidence":0.9168108622233073,"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}}