{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003241},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003240","490:4900002369","490:4900002965","490:4900004193","490:4900003922","490:4900003639","490:4900003780","490:4900003632","490:4900003635","490:4900004331","490:4900002368","490:4900005019","490:4900005422","490:4900003237","490:4900003630","490:4900004335","490:4900005294","490:4900004338","490:4900004880","490:4900003634","490:4900005285","490:4900003631","490:4900003774","490:4900004470","490:4900004206"],"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":[0.7149564574710822,0.6913574580612918,0.6109113232159439,0.5957763968255765,0.581521915598063,0.41803979808447655,0.4105059599553801,0.4079455752231294,0.3994902660718301,0.3947035114594818,0.3471063370168968,0.3253502624907588,0.2697794824707231,0.2502055903318985,0.24342484514003987,0.2419761144827285,0.23289813390077024,0.231044521225454,0.224088354574237,0.21910552479436043,0.21547807502460212,0.2128158650697448,0.21006539856220247,0.19786929359174404,0.19568029713002202],"twin_dists":[0.10639148628641444,0.11158603775200457,0.12893645337309165,0.13217750383011012,0.13523253812594707,0.1715305843962357,0.17330968890023699,0.17391755450335422,0.17593711724248146,0.17708903308185142,0.18893270687493188,0.1946257438345325,0.21023228875708871,0.21619108120956476,0.21832415308622624,0.21878484039782398,0.22171321900978033,0.22232030320005822,0.22462766821629304,0.2263099232637308,0.2275507846154047,0.22847044734561744,0.2294288141933682,0.23378479873223748,0.2345860484718764],"n_dims_used":44,"mean_confidence":0.8973119909113104},"coverage":{"mean_confidence":0.8973119909113104,"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}}