{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012162},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011690","490:4900011563","490:4900009840","490:4900008894","490:4900009929","490:4900008779","490:4900011759","490:4900010565","490:4900010034","490:4900011691","490:4900010566","490:4900011070","490:4900010135","491:4910005662","490:4900007894","490:4900012035","490:4900011771","490:4900010215","490:4900008658","490:4900010024","490:4900011704","490:4900010127","490:4900011770","490:4900012229","490:4900009635"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.291622317302565,0.25823781747474694,0.20296079193549058,0.20258975271912716,0.16184216788394673,0.15816886298045882,0.15653819264977747,0.14006694782613074,0.12920589260760265,0.09115345859634716,0.08919796378329546,0.08665788797493268,0.08574357323602984,0.08095953100724972,0.08039725460579293,0.07338726088501431,0.0711723955502485,0.0706442115651833,0.06616385641743358,0.0583037231038349,0.05609275104231582,0.053501973382282304,0.04867714308986353,0.04863723129088809,0.04840640017382697],"twin_dists":[0.20389018452228644,0.21371156438959737,0.23194452360399942,0.23207755188757864,0.2478618908256491,0.24941935014608796,0.2501191957754462,0.25750772205366357,0.26274145352177497,0.2842567051085782,0.28554063521428563,0.2872421580407039,0.2878643412088906,0.2912089454587863,0.2916123461661644,0.29684233485759104,0.29857860694465865,0.2989991141405028,0.302672816755147,0.3096404612873255,0.31173928176454513,0.3142874974561706,0.3193193833846246,0.31936270925309024,0.3196138694855584],"n_dims_used":45,"mean_confidence":0.8861991882324218},"coverage":{"mean_confidence":0.8861991882324218,"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}}