{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001522},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002099","490:4900001797","490:4900003969","490:4900003970","490:4900004108","490:4900002097","494:4940008963","490:4900004247","490:4900001941","490:4900004104","490:4900004106","490:4900003826","490:4900004253","490:4900007849","490:4900004383","490:4900001384","490:4900003973","490:4900004242","490:4900008174","490:4900004657","490:4900007846","490:4900008179","494:4940008953","490:4900003976","490:4900003547"],"twin_admin_codes":[490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490],"twin_sims":[0.5296206817088711,0.3807895413650943,0.367278000242126,0.31525511274628293,0.296513176485821,0.2000687477000476,0.18813064138774974,0.1741435881138425,0.16104274864247517,0.14253064040305718,0.12881135670662128,0.12451922788436767,0.10267887188654948,0.09417595527418665,0.0868392477986361,0.08488281820132744,0.07900077206427396,0.0767298771647629,0.07542512672569812,0.07414688598182648,0.07205739172174457,0.06990252905909909,0.069094109325453,0.06826818053384448,0.06658492850126746],"twin_dists":[0.1464295793406841,0.1804749297863324,0.18382046276227276,0.1973385534410249,0.20250957130841857,0.2329858700827918,0.2373982468772904,0.24282536031966692,0.24819863550378218,0.2563630453667617,0.26293771047200637,0.26510275663639155,0.2771016931665523,0.2823144188588322,0.28711936569996505,0.28845492509755816,0.2926241182813433,0.2943005237398727,0.2952818536751243,0.2962566134161296,0.297879664861992,0.29959392283951825,0.3002481194476172,0.3009229425373431,0.3023190756889627],"n_dims_used":45,"mean_confidence":0.9190901862250433},"coverage":{"mean_confidence":0.9190901862250433,"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}}