{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011411},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011809","490:4900011869","490:4900011721","490:4900011342","490:4900010795","490:4900011987","490:4900011536","490:4900011547","490:4900011658","490:4900012188","490:4900011541","490:4900011045","490:4900011408","490:4900011272","490:4900010627","490:4900011870","490:4900012054","490:4900011328","490:4900011347","490:4900011923","490:4900011661","490:4900008279","490:4900012191","490:4900011741","490:4900011201"],"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":[0.35647770201961393,0.30905407723869976,0.30292182322300265,0.2880131826615988,0.26578829141189575,0.23340995684170193,0.2248187767634372,0.21929503377809173,0.21565632559399428,0.21022401178290262,0.20404306391892138,0.20212270002902552,0.18892058350566998,0.1855040090202744,0.16715742657131197,0.16317617164628978,0.15741656336166038,0.15560568715797812,0.15243390150595876,0.14631915758364514,0.1442013765978172,0.14054539730061436,0.13966854866205985,0.13891177343254338,0.1378138130036372],"twin_dists":[0.18653915498829243,0.19902933690365585,0.2007206328058882,0.20491782690159038,0.21142475048633244,0.2215461496795548,0.22438317394244084,0.2262454774573164,0.22748948240595965,0.22937331671967662,0.2315574487014234,0.23224524189455403,0.23710034838718833,0.23839513996112,0.24565299998065968,0.24730263594236018,0.24974156224113483,0.25052180075243863,0.2519045642511968,0.2546311813525561,0.2555951362877295,0.25728425904600216,0.2576942317073189,0.2580496102262309,0.25856778743446984],"n_dims_used":45,"mean_confidence":0.9172882080078125},"coverage":{"mean_confidence":0.9172882080078125,"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}}