{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910002113},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002375","490:4900004333","490:4900002374","491:4910001507","491:4910001389","490:4900003925","490:4900004196","490:4900004477","491:4910001396","490:4900003642","491:4910001855","490:4900005683","490:4900003110","491:4910001968","490:4900003106","490:4900004337","490:4900005287","490:4900004468","490:4900003643","490:4900004744","491:4910001458","490:4900003638","490:4900003109","491:4910001632","491:4910002259"],"twin_admin_codes":[490,490,490,491,491,490,490,490,491,490,491,490,490,491,490,490,490,490,490,490,491,490,490,491,491],"twin_sims":[0.6125777498724775,0.5599292237546046,0.5307526461444441,0.5149954255469168,0.48512665827464185,0.44275766757420837,0.43724335534283393,0.4276629138623255,0.4125062733613319,0.38947970254676684,0.3706600405704585,0.34703780877088114,0.3361891548796853,0.32000519711864095,0.31666967567840926,0.2968184711577532,0.2910095174247011,0.2697753117027568,0.2649391265798335,0.26210714659347695,0.24957644837147686,0.2483979169175083,0.2436318370654424,0.24063318968892003,0.22055365155496706],"twin_dists":[0.1285796000435099,0.13987245797803888,0.14618343594012023,0.14962051190789322,0.1562110196604874,0.16578545041025722,0.16705568679034724,0.16927782863443183,0.17283594739824507,0.17835352025425288,0.18297743326329063,0.1889503335433483,0.19176453513916858,0.19605611386780683,0.19695551262890815,0.2024238387424468,0.20406413305484972,0.2102335291448196,0.2116798917716956,0.212534501626777,0.21638742220396096,0.21675606936401626,0.2182584758065324,0.21921348006697236,0.22581840691177343],"n_dims_used":44,"mean_confidence":0.8934509970925071},"coverage":{"mean_confidence":0.8934509970925071,"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}}