{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004334},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003638","490:4900004337","490:4900003631","490:4900003111","490:4900002972","490:4900003923","490:4900004476","490:4900002373","490:4900004194","490:4900003781","490:4900004336","490:4900003110","490:4900004477","490:4900004196","490:4900003373","490:4900003924","490:4900003109","490:4900002968","490:4900003642","490:4900003242","490:4900003106","490:4900005165","490:4900007038","490:4900004331","490:4900003374"],"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":[0.5143515443415542,0.5134915285363467,0.4982942764029748,0.47634481298321785,0.4341264457798593,0.4271052045104589,0.41077849383334625,0.4017447604656222,0.4010878871641325,0.38220015458357065,0.37001878918063985,0.35402634287332824,0.3533459676180401,0.33169705776383146,0.3266102855156468,0.3081884285103883,0.3074157292331046,0.2535411729938029,0.25274704489732563,0.24626999004815,0.23589386404343296,0.2343102115089885,0.23223574181526155,0.22886899522814327,0.2135620580557135],"twin_dists":[0.1497614816879537,0.14994983976835116,0.15329200337493878,0.1581712678929493,0.16777646902451876,0.1694078068527097,0.17324508440935105,0.1753967636665362,0.1755540598191409,0.18012901671032325,0.18313698052414717,0.18716206495608606,0.18733534934876914,0.19294411930620886,0.1942904625215247,0.19926690473304862,0.199479288013179,0.2151553495273294,0.2154011431655505,0.21742454087175025,0.22073874565901527,0.22125287075658773,0.22192979559098583,0.223036925833853,0.22821189388155583],"n_dims_used":45,"mean_confidence":0.8979082743326823},"coverage":{"mean_confidence":0.8979082743326823,"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}}