{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001156},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910002216","491:4910000906","491:4910000779","491:4910000840","492:4920005080","492:4920004713","492:4920004608","491:4910000905","492:4920005296","492:4920004061","491:4910000901","491:4910000848","492:4920004193","491:4910002215","492:4920004885","492:4920005521","492:4920004099","492:4920006508","492:4920004145","491:4910001019","492:4920006261","492:4920004345","491:4910000902","492:4920005766","492:4920004194"],"twin_admin_codes":[491,491,491,491,492,492,492,491,492,492,491,491,492,491,492,492,492,492,492,491,492,492,491,492,492],"twin_sims":[0.4564695459359872,0.4471299008782602,0.4387071718477317,0.43701763638735724,0.4145229025942207,0.41308433028971114,0.40128786956679674,0.3946733942380977,0.38443933894997984,0.34451996990956907,0.34450806205104645,0.33097807993350326,0.3264872474489487,0.32119127662508473,0.3198825631312873,0.31954408870662365,0.3123430101928195,0.3057767804402342,0.3057716479647904,0.30233188263227895,0.2981623915995341,0.292024881131066,0.2906999248824784,0.2900286851021148,0.2883780255665879],"twin_dists":[0.1626527767286944,0.16478264091790154,0.16671788402214488,0.1671078153361781,0.17235935303963956,0.17269923076485935,0.17550615931805713,0.17709630095928403,0.17958117532060416,0.18959924627598906,0.18960232119962714,0.1931337234384853,0.19432317030484644,0.19573756693431993,0.19608908757901955,0.19618013310644827,0.1981301860401347,0.19993078852196017,0.1999322046173105,0.200884382129709,0.20204705538663098,0.20377603151039042,0.20415209641983667,0.2043430050178432,0.20481359587217005],"n_dims_used":45,"mean_confidence":0.8993959214952257},"coverage":{"mean_confidence":0.8993959214952257,"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}}