{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001790},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001247","491:4910001736","491:4910001957","491:4910001179","491:4910001237","491:4910002054","491:4910001498","491:4910001727","491:4910001027","491:4910001735","491:4910001792","491:4910001848","491:4910001954","491:4910001556","491:4910001497","491:4910001439","491:4910001370","491:4910002096","491:4910001492","491:4910001677","491:4910003297","491:4910003362","491:4910001613","491:4910001315","491:4910001380"],"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":[0.4047553373436,0.3847546406069747,0.3778768657100461,0.3311748479112191,0.3187723102001185,0.301279484001737,0.25176096763084704,0.23912023171835584,0.23283613445035453,0.23001701776659866,0.2130506755492448,0.21087405381577973,0.20061568587960138,0.18744914841403815,0.1814475946053379,0.1811429669483227,0.1787247392172424,0.17548947234382772,0.17156583955257804,0.16990792099906693,0.16592265416702964,0.1639127664918404,0.15355725306398404,0.15183109143523565,0.1487525723010402],"twin_dists":[0.17467732291525848,0.1795041558693107,0.18119114462827526,0.19308181068352093,0.19638793504851432,0.20117695811247738,0.2157070328670376,0.21969825562293352,0.2217334732479253,0.22265820753341284,0.22838902022948937,0.22914616897696694,0.23278814194773104,0.23765595266159287,0.23995438208017547,0.24007246717743422,0.24101488740829796,0.24228998292407364,0.24385906768728624,0.2445298030310772,0.24616156506535908,0.24699525107565626,0.2514124399043146,0.25216974512632306,0.2535362188265393],"n_dims_used":45,"mean_confidence":0.8987409803602431},"coverage":{"mean_confidence":0.8987409803602431,"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}}