{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011801},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011475","490:4900011866","490:4900011867","490:4900011273","490:4900011201","490:4900011182","490:4900011666","490:4900010965","490:4900010714","490:4900011593","490:4900011661","490:4900011253","490:4900011538","490:4900011734","490:4900011197","490:4900010086","490:4900010625","490:4900011602","490:4900012076","490:4900011809","490:4900011984","490:4900011987","490:4900011401","490:4900011408","490:4900011670"],"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":[0.699389565494894,0.5463248434369552,0.45840912249689314,0.45079264834042115,0.44707475125686175,0.4311585758514058,0.4215388384113843,0.37187979772526264,0.3647612734324201,0.34288685546268177,0.31590843277010244,0.31391442386838775,0.313554805242875,0.303482215337202,0.29621457433022047,0.2878234332169079,0.28213957371442455,0.2804588238246212,0.27285515174787534,0.25439526713507693,0.24230027175642452,0.24199313644562478,0.2404779215579372,0.23753472258795694,0.2358687276334421],"twin_dists":[0.10982611981367421,0.14280779512572803,0.16221247692027152,0.16394541740641352,0.16479526661024416,0.16846471575472682,0.17070897090163695,0.18267432762145983,0.18445032246071064,0.19002148820432224,0.19716152428141495,0.19770249063348894,0.19780026116257485,0.20056525683744642,0.20259347477202377,0.20497206715689673,0.20660687082575127,0.20709409299781478,0.20932078691607536,0.21489154110731748,0.2186816057504907,0.21877941717168273,0.21926313909288858,0.22020842380004535,0.22074688840446527],"n_dims_used":45,"mean_confidence":0.912496354844835},"coverage":{"mean_confidence":0.912496354844835,"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}}