{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002966},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002964","490:4900003498","490:4900002967","490:4900003775","490:4900004195","490:4900003772","490:4900003778","490:4900003776","490:4900003630","490:4900003504","490:4900002963","490:4900002370","490:4900003242","490:4900004053","490:4900004054","490:4900004209","490:4900002669","490:4900004471","491:4910001965","490:4900003239","490:4900003773","490:4900003245","490:4900004608","490:4900004068","490:4900005555"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490],"twin_sims":[0.6780942683607191,0.6561385053844111,0.5960462663471965,0.5377874150312331,0.49656413154989515,0.4828811256406038,0.46147301234430455,0.37354996426933407,0.3488496804813894,0.33857188654151454,0.3261450258766295,0.32036481976773784,0.31832552743286235,0.3144286174578784,0.30642835806468094,0.28218263506254926,0.2634853164314301,0.25989877023959124,0.24937451213789,0.24849553306142222,0.24812661504457453,0.23812046644358653,0.23167700931133173,0.22501335149890386,0.22477508641795801],"twin_dists":[0.11447667491519162,0.11922780349397544,0.13211969990597458,0.14465615314011496,0.15367424562116092,0.1567111838616619,0.16151830625859473,0.18226009277110322,0.1884849032597261,0.1911423186950061,0.19441418055093318,0.19595945972910006,0.19650836100456448,0.1975628059002283,0.1997511239097783,0.20659441115677887,0.212117892563236,0.21320494799535242,0.21645050904528496,0.21672549232440633,0.2168410917675241,0.22001969176183706,0.22211279550790652,0.2243181330706136,0.22439778354388654],"n_dims_used":45,"mean_confidence":0.8990107218424479},"coverage":{"mean_confidence":0.8990107218424479,"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}}