{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001202},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002343","490:4900002495","490:4900001722","490:4900001201","490:4900001453","490:4900001331","490:4900002025","490:4900002333","490:4900003895","490:4900002491","490:4900002028","490:4900002190","490:4900002193","490:4900001333","490:4900001470","490:4900003896","490:4900003755","490:4900003623","490:4900001571","490:4900003330","490:4900003216","490:4900001584","490:4900000946","490:4900004185","490:4900003897"],"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":[0.9083806995600788,0.8487977480659157,0.7726715607806103,0.7179852481535908,0.6791979965121154,0.6695879216770226,0.6637723831555195,0.6538918765132229,0.644693877046888,0.6419318706504158,0.6413433644058115,0.6375190321084222,0.6254241321975496,0.6205804749760552,0.6076619750834804,0.572450328645213,0.5635900811577955,0.5556982747419862,0.5549795102703166,0.542874471569653,0.5373217536268596,0.5333496756666256,0.5319308779162559,0.5241748749893952,0.5156844721421381],"twin_dists":[0.056935326777233605,0.07436589662153058,0.09327505925017401,0.10571914989098116,0.11423678897555414,0.1163218433831006,0.11757995534340328,0.11971205332524237,0.12169172708088669,0.12228537878294386,0.12241182620149292,0.12323318484836696,0.125827568126864,0.12686550344433198,0.12963224204689724,0.13717959255204576,0.1390843703720514,0.1407841602960305,0.1409391430909154,0.1435541620050271,0.1447571265293791,0.14561913219589873,0.14592734922358103,0.1476153582005089,0.14946970184169847],"n_dims_used":45,"mean_confidence":0.9169211493598091},"coverage":{"mean_confidence":0.9169211493598091,"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}}