{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001316},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001007","491:4910001189","491:4910001064","491:4910001454","491:4910001062","491:4910000998","491:4910001572","491:4910001137","491:4910001201","491:4910001504","491:4910002813","491:4910001320","491:4910001680","491:4910001318","491:4910001252","491:4910001620","491:4910001056","491:4910002360","491:4910001739","491:4910001255","491:4910001329","491:4910001261","491:4910001184","491:4910001052","491:4910001063"],"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":[0.34087798832342403,0.27566234306656157,0.20681272118785515,0.18899234250188754,0.16769783628546567,0.15705058372419994,0.14105734761848052,0.11066763614273974,0.1078752125203991,0.10734085759785573,0.09306862153452067,0.090653429064726,0.09034556182093373,0.0857245056732756,0.07805693939048479,0.06416049263674789,0.06146717373534088,0.05590172409234636,0.04797077133984713,0.04616041858284258,0.043217089057386346,0.04310176038444818,0.03916635461641058,0.03846219176561615,0.036552165544449566],"twin_dists":[0.19054235402179362,0.20849435166785835,0.23057324255147693,0.23707333028409094,0.2454312732505054,0.24989871864328078,0.25704577616541996,0.27250278657398364,0.27408010722009457,0.2743855390284258,0.2830202103894487,0.284582920358078,0.2847844796551711,0.2878773726333657,0.29331610115371815,0.3043814491395551,0.30674869309576763,0.3119238071436269,0.3200906008187758,0.32211138184093663,0.3255432604375541,0.3256816835361721,0.33060326645417853,0.33152759724238173,0.3341090209549458],"n_dims_used":45,"mean_confidence":0.8955736796061198},"coverage":{"mean_confidence":0.8955736796061198,"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}}