{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000238},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000188","490:4900000422","490:4900000511","490:4900000951","490:4900000424","490:4900000413","490:4900000282","490:4900000610","490:4900000226","490:4900000237","490:4900000500","490:4900000297","490:4900000135","496:4960009662","490:4900000501","490:4900000143","496:4960009173","490:4900000099","490:4900000830","490:4900000039","490:4900000339","490:4900000239","490:4900000074","490:4900000241","490:4900000948"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,496,490,490,490,490,490,490,490,490],"twin_sims":[0.8407319071397298,0.7095963427156965,0.6873413363047688,0.5275516024021768,0.49851996181058766,0.42946958373201993,0.42056685549181455,0.41320529992426236,0.40991467167120177,0.4039791875598853,0.39874433498332756,0.39059611314951315,0.3823034464059874,0.362074101378581,0.3515473491405163,0.34545134914026904,0.33519793439404233,0.3314772106480232,0.3271264176300393,0.32667102830899614,0.3110103438626372,0.3103267818862899,0.30755168530361926,0.30239712621444315,0.3017445904062569],"twin_dists":[0.07650091251108772,0.10757794746544953,0.11246324624265239,0.14687978782357797,0.1532421702594733,0.16885724831953258,0.1709369125652506,0.17267063068034405,0.17344991923019956,0.17486256967734462,0.17611620566901554,0.17808261751936394,0.1801037114433447,0.1851252634541133,0.18779427562145817,0.1893589139470502,0.19202408045459296,0.1930020720557179,0.19415333090331027,0.19427431749452986,0.19849386353400156,0.19868074962072113,0.1994418970123624,0.2008662633853474,0.20104758117224455],"n_dims_used":45,"mean_confidence":0.9141939798990886},"coverage":{"mean_confidence":0.9141939798990886,"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}}