{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011647},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010839","490:4900011967","490:4900010855","490:4900010772","490:4900012051","490:4900012100","490:4900011712","490:4900012097","490:4900012167","490:4900011083","490:4900011299","490:4900011849","490:4900011841","490:4900012052","490:4900011586","490:4900011077","490:4900011648","490:4900011230","490:4900012030","490:4900009938","490:4900011099","490:4900011233","490:4900009963","490:4900010684","490:4900011708"],"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":[0.3746560857250232,0.36995909645719394,0.27628794611472196,0.2690344760591774,0.26613350338378466,0.2630638147213374,0.2431660638571514,0.24311491514555292,0.22725602432338243,0.2168946342710972,0.21184902751121346,0.20906076848508295,0.20267088891833188,0.18104431702746873,0.1792809248636665,0.16796232463865696,0.16522239711002404,0.1420074465028005,0.133780536470484,0.1321420202407151,0.13137468874546382,0.12423502712316734,0.12060189252136352,0.1194210840629481,0.11769495740173605],"twin_dists":[0.18198625434133708,0.18315183942463673,0.20831087806006138,0.21045404238383736,0.2113211727585284,0.21224516391243317,0.21840631359228774,0.21842255949189704,0.22357115249483986,0.22706455476063733,0.22880636776644422,0.2297809893890526,0.2320484479316971,0.24011073768930566,0.240797336902439,0.2453229428152102,0.24645119396863918,0.2566048920952983,0.260498218482693,0.2612949470020498,0.26167062060644924,0.2652481013750515,0.2671288247403635,0.2677493835151834,0.26866502749232507],"n_dims_used":45,"mean_confidence":0.8918997022840712},"coverage":{"mean_confidence":0.8918997022840712,"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}}