{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008016},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009437","490:4900010156","490:4900008237","490:4900008805","490:4900009551","490:4900009860","490:4900009955","490:4900008125","490:4900010153","490:4900010336","490:4900008236","490:4900008344","490:4900010238","490:4900010155","490:4900010330","490:4900010245","490:4900010056","490:4900007788","490:4900009562","490:4900008012","490:4900009944","490:4900009856","490:4900008123","490:4900009663","490:4900010154"],"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":[0.17932048519432076,0.1677461399432966,0.16496092991702557,0.08553878594576741,0.08246294679556132,0.07928729677659001,0.07819903561876558,0.07259888336437334,0.06318085786318685,0.06136506231862337,0.05927790741776489,0.05914555148309619,0.05446177747986965,0.05407954265118491,0.04795376984155063,0.04752695867953209,0.04590485990396801,0.04544943428260337,0.044435508111250105,0.04336189703111061,0.04297180808704892,0.041620526141548514,0.0406532575884333,0.04025790819098061,0.03927049403823587],"twin_dists":[0.24078188123131355,0.24541147962608809,0.24655956505888865,0.28800442075730626,0.2901412449923117,0.29241536328105067,0.29321149306397004,0.29745543356479165,0.30523289260523817,0.3068401028006201,0.30873646635054486,0.3088585646875323,0.31333178447956067,0.3137107045996068,0.3201092796442848,0.3205800218618534,0.3224019658065728,0.3229231859389949,0.32409950729257336,0.32536989400156885,0.3258380323548442,0.3274878264486967,0.3286967178687149,0.32919782142037063,0.33046776160414765],"n_dims_used":45,"mean_confidence":0.894081793891059},"coverage":{"mean_confidence":0.894081793891059,"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}}