{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001793},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001954","491:4910002251","491:4910001675","491:4910001734","491:4910001493","491:4910002152","491:4910001902","491:4910002773","491:4910000980","491:4910001848","491:4910001377","491:4910001886","491:4910002230","491:4910001796","491:4910001492","491:4910000977","491:4910001903","491:4910001831","491:4910001549","491:4910003370","491:4910001305","491:4910001957","491:4910001795","491:4910001834","491:4910001713"],"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":[0.5498063431536651,0.49937985555625647,0.3925370335971048,0.3685851959778067,0.35945598279394925,0.3451023588654447,0.34448869839320595,0.3214181440490511,0.31723139813781004,0.3133193365114147,0.30205807330899254,0.2996485638029118,0.2924119194577914,0.290795186082462,0.28870057523485265,0.28754780727042967,0.2825322608423963,0.2692036337545252,0.2688745694832908,0.2647318931688414,0.257861981870887,0.257714322292872,0.2509228388980193,0.2422963920321692,0.23007722484872886],"twin_dists":[0.14205552043795427,0.15305235706381803,0.17761250394305297,0.18349416548044162,0.18578531103612356,0.1894489268201543,0.1896073215280689,0.19567671195929015,0.19680367570478957,0.1978643132701884,0.20096044633343604,0.20163154860963617,0.20366636906049038,0.20412502427752152,0.20472151313527667,0.20505089351963535,0.20649329054741597,0.2104036587213235,0.21050168863613644,0.21174223477504828,0.2138264848132603,0.2138716640613561,0.21596762863782132,0.21868284080079609,0.22263838043784137],"n_dims_used":45,"mean_confidence":0.8955407884385851},"coverage":{"mean_confidence":0.8955407884385851,"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}}