{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001402},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001864","491:4910001565","491:4910002014","491:4910001799","490:4900002065","490:4900002822","491:4910001140","491:4910001009","491:4910002159","490:4900004207","491:4910001801","491:4910001745","490:4900002673","490:4900002963","490:4900003376","491:4910002207","491:4910001626","490:4900003107","491:4910001749","490:4900004614","491:4910001689","491:4910001401","490:4900003368","490:4900006431","490:4900002964"],"twin_admin_codes":[491,491,491,491,490,490,491,491,491,490,491,491,490,490,490,491,491,490,491,490,491,491,490,490,490],"twin_sims":[0.23702097403919745,0.22757883240608526,0.2191751464928665,0.21735018896857847,0.2145215281340911,0.19999700134781648,0.16263418669587468,0.15530259345793218,0.14817191227523158,0.14361967140145232,0.14199562298206522,0.13205073325213662,0.13128668640808347,0.12074143849993837,0.11240173538944812,0.10523633025497187,0.1002175788995104,0.09796086957357762,0.09685439204990606,0.09634830221755505,0.09428819369566781,0.08880961740357239,0.08859093285383086,0.08668947317322245,0.08536325278677617],"twin_dists":[0.22037420828985937,0.22346403591265981,0.22628624285945237,0.22690864133605773,0.22788033658023465,0.23301183532414174,0.24752945135912938,0.25065303983346027,0.2537962895486255,0.25586174825484936,0.25661036517671054,0.2613395534462623,0.26171381077447053,0.26705579523231154,0.2715386946969508,0.2756000696312618,0.27857467004091807,0.27995030453868586,0.2806338873392601,0.28094859662487043,0.2822432463575363,0.28579826456584817,0.2859437337310507,0.28722075812499315,0.28812470256103256],"n_dims_used":45,"mean_confidence":0.897720930311415},"coverage":{"mean_confidence":0.897720930311415,"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}}