{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011975},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011915","490:4900011373","490:4900012111","490:4900011782","490:4900011588","490:4900011083","490:4900011775","490:4900012097","490:4900011708","490:4900011718","490:4900011849","490:4900011586","490:4900011835","490:4900011650","490:4900011842","490:4900010772","490:4900011841","490:4900011571","490:4900011654","490:4900009006","490:4900011233","490:4900012156","490:4900011172","490:4900012113","490:4900011904"],"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":[0.1838846310624162,0.16912075844986746,0.150023374328878,0.11472030128220383,0.11290685972117574,0.098333901735085,0.08244659352772134,0.07960103372932689,0.07454556096414723,0.07138051972721263,0.06861696787398705,0.06630737796955635,0.06181440740985752,0.06060180348267926,0.05927590437885168,0.05508039166857445,0.051068740093629425,0.04562981015738624,0.044999739458708096,0.044598009016718995,0.043288638955152635,0.0382955486234021,0.03735790754411222,0.0362120672506677,0.03469597799401023],"twin_dists":[0.23901470055519505,0.24484990658106862,0.25296964292975377,0.27026742107268503,0.2712600247556671,0.27972121115462534,0.2901527747016469,0.2921874755206582,0.2959511461304057,0.2984136062563854,0.3006371611239031,0.3025520390879202,0.3064387805210958,0.30752735339986065,0.3087383124807358,0.312723175465809,0.31677570672108796,0.32271623030855673,0.3234421609920481,0.32390947413001503,0.3254575388090468,0.331748438048836,0.3330064253344688,0.33458061981803106,0.33672983412411045],"n_dims_used":45,"mean_confidence":0.8882349650065104},"coverage":{"mean_confidence":0.8882349650065104,"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}}