{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001760},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002513","490:4900002205","490:4900001904","490:4900001758","490:4900001486","496:4960011465","496:4960011735","490:4900001217","496:4960011834","490:4900001480","496:4960004362","490:4900000835","490:4900001348","469:4690001930","490:4900001191","496:4960006636","496:4960011558","490:4900001757","490:4900002197","469:4690003373","490:4900001190","490:4900004875","496:4960005708","490:4900001620","493:4930002709"],"twin_admin_codes":[490,490,490,490,490,496,496,490,496,490,496,490,490,469,490,496,496,490,490,469,490,490,496,490,493],"twin_sims":[0.4730911156280474,0.44861316742993107,0.42530446538500644,0.4228218206164108,0.4133976970143012,0.400837230419488,0.38731285525408293,0.37953624352301724,0.36811127692291956,0.3650336286436244,0.3275967672097247,0.32674830773439956,0.3189639351537393,0.3185918824204966,0.306485110521136,0.3051550617141637,0.29098744094157813,0.28978464200640935,0.2820665838519115,0.27817082936261206,0.2778346390253832,0.2697183275973212,0.2692963113802445,0.25997176538853134,0.25613905088310424],"twin_dists":[0.15890049584509727,0.16444328940148958,0.16982796145543672,0.17040843470887057,0.17262515094358238,0.175614113292076,0.1788803610748055,0.1807827842963812,0.18361239642962857,0.18438205503446595,0.1940284673669743,0.19425377954147016,0.19633631351030112,0.19643655615994618,0.19973548555874862,0.20010242633337486,0.20407040371857565,0.20441247904095158,0.20662799284602745,0.20776020230938638,0.20785835878716935,0.21025047742401604,0.21037606297642053,0.2131827301553105,0.2143546693130914],"n_dims_used":45,"mean_confidence":0.9134835137261285},"coverage":{"mean_confidence":0.9134835137261285,"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}}