{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000749},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000516","491:4910000460","491:4910000750","491:4910000453","491:4910000513","491:4910000515","491:4910000512","491:4910000508","491:4910000367","491:4910000410","491:4910000452","491:4910000401","491:4910000687","491:4910000567","491:4910000356","491:4910000568","491:4910000931","491:4910000627","491:4910000517","491:4910000882","491:4910000052","491:4910000236","491:4910000417","491:4910000328","491:4910000456"],"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":[0.5840097464706271,0.5417448606690636,0.5231418253481431,0.5102312491137666,0.4254692770667662,0.4147858733780001,0.4024369940429104,0.37221040468870603,0.3688312021103588,0.3564590039392284,0.3476894505227647,0.32644701410871124,0.31532210055581517,0.2901186323389109,0.28999845269375263,0.2816001506563299,0.2736901838010818,0.2665440875498582,0.2642696102614927,0.2576759907514087,0.25350984488469425,0.25248758206660205,0.24610233369981244,0.24428116737555705,0.23356316325735538],"twin_dists":[0.13469901719382602,0.14379869859362535,0.1478406047917872,0.1506646187010219,0.16978947644391024,0.172297278672819,0.1752311257423798,0.1825922576697071,0.1834328230208007,0.18654389793460935,0.18878279401087458,0.1943338672010091,0.19732039229553036,0.2043174076885379,0.2043516096676609,0.20676304881018034,0.20907441098163182,0.21119808948821786,0.2118814153178268,0.21388339499457548,0.21516503672779008,0.21548155698827678,0.21747736626730152,0.2180526807662012,0.221496186790839],"n_dims_used":45,"mean_confidence":0.8903002421061198},"coverage":{"mean_confidence":0.8903002421061198,"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}}