{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001396},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001507","491:4910001389","491:4910001968","491:4910001515","491:4910002113","491:4910001193","491:4910001855","491:4910002365","491:4910001458","490:4900002374","490:4900004196","491:4910001628","491:4910001632","490:4900003925","490:4900003109","491:4910001569","491:4910002259","491:4910002012","490:4900003110","490:4900002968","490:4900004333","490:4900002375","491:4910001256","490:4900003642","491:4910001443"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,490,490,491,491,490,490,491,491,491,490,490,490,490,491,490,491],"twin_sims":[0.8906849553059815,0.8525330330197253,0.6703558961646617,0.47419988387973916,0.4125062733613319,0.374915086375577,0.3463255799855837,0.3460337076214376,0.3205426410837545,0.3053901614803146,0.29736635733609523,0.291830716226756,0.291473414103744,0.2869019992322367,0.26597969743081623,0.2586414470686831,0.25348473479888756,0.24778530489794115,0.2403900382758267,0.23860466124733817,0.23581742120475396,0.2320302839175564,0.2320237501877529,0.22971383408722196,0.22136156196522122],"twin_dists":[0.06249230493917684,0.07336318194573195,0.11615550698706444,0.15865181062132833,0.17283594739824507,0.18192219189120953,0.18913364017766687,0.1892088170204653,0.195911689987022,0.2000374986095413,0.20227011183870885,0.2038310782034753,0.20393243197726643,0.2052357658132905,0.21136731050650254,0.2135882627233011,0.21517280175586545,0.2169481385550522,0.21929125581234493,0.21986390801569405,0.22076351048608875,0.22199705487415575,0.2219991944170632,0.22275810254470468,0.2255451281076559],"n_dims_used":44,"mean_confidence":0.8947081132368608},"coverage":{"mean_confidence":0.8947081132368608,"n_dims_used":44,"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}}