{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":470,"cluster_id":4700002026},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990001748","470:4700001864","493:4930003427","470:4700002024","488:4880006365","470:4700002203","493:4930001079","496:4960000165","493:4930001617","470:4700002039","470:4700000186","470:4700001552","470:4700007960","470:4700002348","470:4700002041","470:4700000439","470:4700001566","493:4930000967","499:4990001193","493:4930001901","470:4700006911","470:4700005095","470:4700008751","493:4930002567","470:4700001880"],"twin_admin_codes":[499,470,493,470,488,470,493,496,493,470,470,470,470,470,470,470,470,493,499,493,470,470,470,493,470],"twin_sims":[0.5251691643655857,0.505214617145318,0.5020030924413498,0.48732566697145047,0.4775681460627673,0.43501047267181087,0.4340047909275484,0.43036011927546514,0.43008247767937513,0.4034850223324699,0.3990291752035585,0.3951679386427076,0.3898286681359209,0.385908557124014,0.3813754557695455,0.37183319045528734,0.37179463608071633,0.371210487068467,0.37034271137360025,0.3694154824223591,0.3673669954421521,0.3645818694655697,0.3576859010902724,0.35492105938268337,0.35448663021069404],"twin_dists":[0.1473986576256807,0.15176676646443218,0.15247386486616346,0.15572191046604736,0.1578975127471801,0.16757182974206072,0.1678046433955652,0.1686502040159624,0.16871473531120496,0.17498059718675196,0.17604780120619506,0.17697699009045426,0.17826880288699892,0.1792225419751659,0.1803311760748987,0.18268590032194928,0.1826954740108015,0.18284058803392436,0.18305636955642066,0.18328721245695848,0.18379822970644,0.1844953051547377,0.1862329547878176,0.18693445267867084,0.18704493255091],"n_dims_used":43,"mean_confidence":0.9128361191860465},"coverage":{"mean_confidence":0.9128361191860465,"n_dims_used":43,"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}}