{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000267},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000227","490:4900000935","490:4900000559","490:4900000418","490:4900000269","490:4900000279","490:4900000933","490:4900004042","490:4900000938","490:4900000033","490:4900000091","490:4900000657","490:4900000575","490:4900000707","490:4900000666","496:4960009284","490:4900004031","490:4900000923","490:4900000199","496:4960008589","490:4900001198","480:4800004450","490:4900000234","490:4900000032","490:4900002657"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,496,490,480,490,490,490],"twin_sims":[0.6102592106797036,0.6028108101503676,0.5670424511252374,0.5659705716068384,0.5618392283082171,0.5404177922310932,0.5328431650312121,0.508181629507533,0.49289514494682823,0.4716471099659326,0.4312550254180715,0.4306247676151273,0.4197195039711411,0.4158711352650983,0.3883257425209559,0.3837859460059179,0.3801590175134297,0.3758539194975337,0.370919104985636,0.3677083705956486,0.36575722829600676,0.34735300500720206,0.34714321295831363,0.3349066009263536,0.32384595863515386],"twin_dists":[0.12907609443097126,0.13067101686727978,0.13834176598214756,0.13857226756834545,0.1394611984074403,0.14408610069937053,0.1457291462241325,0.15111457295609598,0.15448610556647804,0.15922466180998765,0.16844231914462995,0.16858870846985632,0.17113580839995493,0.17204128154710918,0.17863391821656902,0.17974087710169626,0.18062974758574687,0.18169015803785987,0.18291301531576043,0.18371297130720227,0.1842008050683018,0.18886927472354767,0.18892322249480556,0.19210044354514666,0.19502697100939811],"n_dims_used":45,"mean_confidence":0.9172698974609375},"coverage":{"mean_confidence":0.9172698974609375,"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}}