{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002179},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002177","490:4900002183","490:4900002160","490:4900003754","490:4900002334","490:4900004172","490:4900002331","490:4900003896","490:4900001596","490:4900002187","490:4900004173","490:4900002178","490:4900003895","490:4900003755","490:4900002346","490:4900004170","490:4900001701","487:4870002896","496:4960012194","496:4960004662","490:4900002349","490:4900004185","490:4900002488","490:4900002333","490:4900002190"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,496,496,490,490,490,490,490],"twin_sims":[0.8151016029806515,0.7356186834900654,0.7158056142257276,0.7079404763729856,0.6949581461508519,0.6946114292062714,0.6522265438222308,0.6423223861088243,0.6385705374024778,0.6293342554729546,0.5918842467107124,0.5818451763546072,0.5779407654515012,0.5763810704682123,0.5736416524219939,0.5123693033986413,0.5045801228133306,0.5028209342329825,0.4918051970452659,0.450376252652575,0.4459271167837243,0.44118788032848005,0.44077429655550837,0.4401804338429247,0.43811991629496394],"twin_dists":[0.08304709458703395,0.10177443930449916,0.10620313182206137,0.1079436332247338,0.11079803384043865,0.11087397751395833,0.12007081679675678,0.12220146381730398,0.1230074085036349,0.12498930050834633,0.13301128349312524,0.13516320447724933,0.13600083963708234,0.13633558531627096,0.13692373168149646,0.1501957448151993,0.1519063698686332,0.15229367998356153,0.15472762425536774,0.16404046750855666,0.1650581348842986,0.1661464232002797,0.16624160981159702,0.16637834865752574,0.16685335065302612],"n_dims_used":45,"mean_confidence":0.9177381727430556},"coverage":{"mean_confidence":0.9177381727430556,"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}}