{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003737},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004014","490:4900003608","490:4900004305","490:4900003477","490:4900003070","490:4900003597","490:4900001720","490:4900004579","490:4900002016","490:4900002899","490:4900002332","490:4900001700","490:4900004150","490:4900002022","490:4900002020","490:4900002907","490:4900003072","490:4900003878","490:4900002318","490:4900000204","490:4900002637","490:4900003325","490:4900002151","490:4900002458","490:4900004154"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.6498359733076731,0.5980730653273739,0.5451351960517915,0.5020929616074514,0.471357042388625,0.4676931441705166,0.4611987256790823,0.44956377727508434,0.44044526024817177,0.4401353516695072,0.43311317029402596,0.4260506083893384,0.4213840414183834,0.4024406604126244,0.40141416145526565,0.39628608127713294,0.3893159557199127,0.3875944302286438,0.3806758967985802,0.37314823379781736,0.357011147801615,0.35409370946987484,0.3532345452734038,0.35318029032205817,0.35271379232555533],"twin_dists":[0.12058554805301,0.13168560216221406,0.14306503920178648,0.1524540611845131,0.15928981926274408,0.16011400363396852,0.16158038315220113,0.16422602474058728,0.16631736261856314,0.16638873191642822,0.16801123303619034,0.16965377967850234,0.17074525780187458,0.17523024879424243,0.17547591499653103,0.1767074871605898,0.17839328488634526,0.1788118213172681,0.18050282474537163,0.18235964642869695,0.1864038953128789,0.18714491679829812,0.1873637439440133,0.1873775718263073,0.18749651309585796],"n_dims_used":45,"mean_confidence":0.9172055562337239},"coverage":{"mean_confidence":0.9172055562337239,"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}}