{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001136},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004545","494:4940008484","490:4900001682","494:4940008661","490:4900002283","490:4900001145","490:4900006399","494:4940007783","496:4960008253","494:4940008827","490:4900007257","490:4900001431","490:4900002137","490:4900005760","490:4900003705","490:4900001447","494:4940008301","490:4900003710","490:4900001400","494:4940008310","494:4940008821","494:4940008188","494:4940008587","494:4940004170","490:4900001140"],"twin_admin_codes":[490,494,490,494,490,490,490,494,496,494,490,490,490,490,490,490,494,490,490,494,494,494,494,494,490],"twin_sims":[0.4567181724790917,0.4400551143946649,0.43838110673096947,0.4053690178492322,0.4007881004099754,0.37613630174172014,0.3452178873245898,0.3391459434072063,0.3113814170241467,0.29609523730105175,0.29562156897462283,0.27287178460687495,0.2675118099378336,0.2593805580720213,0.2466973539083769,0.24423053926912036,0.23379553667782912,0.2314189612284712,0.22950133137884188,0.22888956897162657,0.22387818802034629,0.22331070883868467,0.2231781270642708,0.22296339737424403,0.21081517029528],"twin_dists":[0.16259629876197304,0.16640721307395234,0.1667930910811383,0.17453096579286936,0.17562588607489896,0.1816204223882949,0.18941912395112998,0.19099276509238403,0.19839251038285705,0.20262702091404722,0.20276024971194137,0.20931587487555806,0.2109084550852771,0.21336279138255415,0.21728999100353252,0.2180687138477619,0.2214204473930639,0.22219741123160994,0.22282817126052212,0.22303012778347392,0.22469811552381802,0.2248885534367737,0.22493309244775375,0.22500526534648346,0.22916672536820323],"n_dims_used":45,"mean_confidence":0.9186413235134548},"coverage":{"mean_confidence":0.9186413235134548,"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}}