{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001170},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001536","491:4910002832","491:4910001038","491:4910002485","491:4910003211","491:4910003418","491:4910001367","491:4910003254","491:4910001598","491:4910002421","491:4910002631","491:4910002980","491:4910002586","491:4910001167","491:4910002734","491:4910001302","491:4910002486","491:4910003170","491:4910003207","491:4910002427","491:4910001369","491:4910003129","491:4910002683","491:4910001479","491:4910002522"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.4100669761070836,0.40268307042288554,0.33828389644052465,0.2923251672091378,0.2736399875297532,0.26214657153554577,0.2535376732363721,0.24683455802470866,0.2178078309438528,0.20470667856496863,0.19604638876557712,0.17144849144372468,0.16474071275332405,0.1465791095399078,0.13955014691088688,0.13880097179381695,0.13495529026384115,0.1337109136021788,0.13312338804562449,0.12412655620568919,0.12266665283252086,0.12087679432610257,0.11595397666596968,0.11532742766364933,0.11364651491190193],"twin_dists":[0.17341379012177413,0.17517227544475922,0.19121739743847377,0.20369094172622365,0.20908920831669442,0.21252256476985207,0.21515643167591944,0.2172468258770712,0.22675223462771185,0.23132080237880973,0.23445161520889074,0.24390638940380738,0.24665093545082867,0.2545135717417459,0.2577497377005796,0.25810176342986574,0.25993149703171226,0.2605319229022114,0.2608168705771271,0.26530364175663035,0.26605477346089296,0.26698502012621256,0.2695990352808971,0.269937802961338,0.2708536959598245],"n_dims_used":45,"mean_confidence":0.8981594509548612},"coverage":{"mean_confidence":0.8981594509548612,"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}}