{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001570},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001432","490:4900001162","490:4900004443","490:4900001877","490:4900000809","494:4940007905","490:4900001174","490:4900001175","490:4900004287","490:4900000896","490:4900003224","490:4900003080","490:4900004311","490:4900001179","494:4940008507","490:4900002311","490:4900002779","490:4900000408","496:4960006884","494:4940004951","494:4940006587","490:4900003232","496:4960007547","490:4900001046","494:4940008314"],"twin_admin_codes":[490,490,490,490,490,494,490,490,490,490,490,490,490,490,494,490,490,490,496,494,494,490,496,490,494],"twin_sims":[0.619991636626704,0.585249426274664,0.5365613401375038,0.5296187809371979,0.5093745788633128,0.48480105004953444,0.4801633864613928,0.4738759578811545,0.45327834619609314,0.4323616054837078,0.429496427584798,0.41797217381941254,0.4135975369903057,0.38730237662289907,0.37472158463907523,0.36979008061753404,0.35928557587395527,0.35470258361908424,0.3546178311905423,0.35232583245763016,0.34864676152470075,0.3475313377437153,0.3427003095212743,0.34045315365529005,0.33928154489007384],"twin_dists":[0.12699165493147388,0.13443322583599476,0.14492205031145294,0.14642999275361726,0.15085262699335406,0.15628350017958975,0.15731750251362098,0.15872444395805174,0.1633786868990596,0.16818550451662032,0.16885100472231535,0.1715464920469124,0.1725779215464811,0.17888291219223795,0.18197005147728945,0.18319391784631647,0.18582835680630327,0.18699000459109694,0.18701155938921082,0.18759549212659593,0.18853696537127912,0.18882343018092768,0.1900697877359161,0.19065271668535716,0.19095745800244135],"n_dims_used":45,"mean_confidence":0.9164857652452257},"coverage":{"mean_confidence":0.9164857652452257,"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}}