{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001604},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001482","491:4910001715","491:4910001484","491:4910001599","491:4910001657","491:4910001093","491:4910001835","491:4910001094","491:4910001301","491:4910001431","491:4910001893","491:4910001164","491:4910001775","491:4910001039","491:4910002232","491:4910000964","491:4910002231","491:4910001659","491:4910001100","491:4910001939","491:4910001363","491:4910003117","491:4910001040","491:4910001228","491:4910002087"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.6024648906045821,0.4927224421461972,0.4526581640223692,0.4444877023763701,0.4386809149472886,0.41435668013093896,0.40413758746143713,0.3975055491744735,0.3588081608641103,0.347347404816081,0.3405699087545376,0.3354286574217055,0.32984344882121736,0.3238312250562985,0.3184697197141703,0.3153887891471641,0.31401618271868903,0.31377908544679467,0.3119396493432761,0.3004740327469932,0.29884407358587056,0.29815462123057807,0.2977455472926615,0.2830910065225461,0.28009150386822007],"twin_dists":[0.1307450905697813,0.15452436384550874,0.16351997842657157,0.16538820073040783,0.1667239393733339,0.17239859870256233,0.17482475080378254,0.1764139603432527,0.1859490102523123,0.18887071458270735,0.19062237894101086,0.19196362986405074,0.19343340063604478,0.19503090586033686,0.19646948498223904,0.197302314443446,0.19767483672854974,0.19773927799327143,0.19824016739140174,0.20140128341896135,0.20185631916548002,0.20204923102778383,0.2021638154893193,0.20633184405798774,0.2072008086370555],"n_dims_used":45,"mean_confidence":0.8983722262912326},"coverage":{"mean_confidence":0.8983722262912326,"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}}