{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990000930},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990000849","496:4960011175","488:4880005580","499:4990000685","468:4680000131","496:4960010791","496:4960011016","496:4960011961","481:4810003047","499:4990001014","488:4880004190","481:4810003043","481:4810003045","496:4960011717","496:4960010476","468:4680001364","477:4770003935","496:4960010490","496:4960011269","496:4960011967","470:4700001341","467:4670001828","496:4960011265","496:4960004459","470:4700000335"],"twin_admin_codes":[499,496,488,499,468,496,496,496,481,499,488,481,481,496,496,468,477,496,496,496,470,467,496,496,470],"twin_sims":[0.5149044410451455,0.44937529067995435,0.38176437392921775,0.37246306684083735,0.35667950685709954,0.34502371034410967,0.3405112817859958,0.3392176705877233,0.33546140325603596,0.3084933437314439,0.305823787117333,0.29359916595254587,0.2922939530294182,0.28625049760620364,0.28404426762125845,0.27050456562578096,0.26415007462947654,0.25998195706157134,0.25586110236942294,0.2553571163672466,0.2546185605377968,0.25260808853023486,0.25149835114417657,0.24919794508904594,0.24555977730564207],"twin_dists":[0.14964042918963297,0.16426909019046887,0.1802358139635442,0.18252956103611456,0.18648797342179085,0.1894692187994773,0.19063761192562617,0.19097408825993392,0.19195505211887087,0.19918318038244884,0.19991781960324922,0.2033305137193196,0.2036997842341382,0.20542252096676805,0.20605684794518234,0.21001682868296415,0.21191742889965,0.2131796283851156,0.2144400879279321,0.21459512195951305,0.21482266409309944,0.2154442025739201,0.21578862747353486,0.21650569710272596,0.21764847458796277],"n_dims_used":45,"mean_confidence":0.9286927964952257},"coverage":{"mean_confidence":0.9286927964952257,"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}}