{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011849},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012051","490:4900011915","490:4900011970","490:4900011647","490:4900012180","490:4900011782","490:4900010855","490:4900011712","490:4900011784","490:4900010772","490:4900011083","490:4900012116","490:4900012167","490:4900011841","490:4900012052","490:4900012041","490:4900011908","490:4900011975","490:4900011586","490:4900011967","490:4900012113","490:4900011708","490:4900011780","490:4900010839","490:4900009863"],"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":[0.3770497953206638,0.32167213168914954,0.25722557459382733,0.20906076848508295,0.18516817519894155,0.1814347913860422,0.13714624208399046,0.12157529139695968,0.1152181581712443,0.11025168721603086,0.09948959846423554,0.09683894895570924,0.09356552235817665,0.0843985446432422,0.08040343405236405,0.07856147282668724,0.06941911499201134,0.06861696787398705,0.065893547357232,0.06411723102510661,0.059512323362334876,0.05394237422564066,0.04792300239652349,0.04655165443573331,0.04024877789565564],"twin_dists":[0.18139500572454204,0.19560861075549335,0.21402132236906707,0.2297809893890526,0.2385233134215384,0.23995934226443352,0.2588843548068541,0.26662074708206973,0.2699970284271961,0.27273577156244766,0.2790157530569033,0.28064347140515405,0.2827026812584132,0.2887892978522261,0.2916079005008046,0.2929453649724548,0.299984371751775,0.3006371611239031,0.30290087151482314,0.30441882440716206,0.30852076717678845,0.31384722462794823,0.32014309660150037,0.3216691247610607,0.32920944302099125],"n_dims_used":45,"mean_confidence":0.8915578206380208},"coverage":{"mean_confidence":0.8915578206380208,"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}}