{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001005},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001266","491:4910001265","491:4910001067","491:4910001385","491:4910001070","491:4910001006","491:4910001267","491:4910001000","491:4910001205","491:4910001335","491:4910001195","491:4910001327","491:4910002308","491:4910000997","491:4910001124","491:4910001127","491:4910001742","491:4910000993","491:4910002309","491:4910001058","491:4910001861","491:4910001200","491:4910001504","491:4910001189","491:4910001123"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.6530249206687722,0.4988162515754956,0.47907656834692874,0.3621535971351251,0.3278465499993477,0.27516887895165604,0.22749317605756372,0.20841624705447329,0.1990322367957665,0.16297656732890548,0.13643724015978345,0.13352045580447114,0.12285611697057636,0.12213013726664756,0.11885310701327705,0.10793004792719225,0.10666704598214712,0.10379795644706895,0.09875510572000855,0.09049223927256715,0.09010404869282032,0.08784760698855261,0.08473318031834252,0.0846453450706416,0.08375183894098454],"twin_dists":[0.1198988418639395,0.1531767567922187,0.15756027276584533,0.18510526003288374,0.19396219785086222,0.20863925208956519,0.22349244922592346,0.23000753449973588,0.23336161239159345,0.24738610482746942,0.2592218343218984,0.2606241909307276,0.2659569097130506,0.26633252552858466,0.26804954878814097,0.2740488302982244,0.27477236939310196,0.27644107221882297,0.27946335159286667,0.2846883828644614,0.2849429783119796,0.28644033577764016,0.28855808167754843,0.28861870075916746,0.2892382190773056],"n_dims_used":45,"mean_confidence":0.8971026950412326},"coverage":{"mean_confidence":0.8971026950412326,"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}}