{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910003103},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910002706","491:4910003232","491:4910002394","491:4910003145","492:4920000450","491:4910003233","491:4910002404","491:4910002405","491:4910002956","491:4910002857","492:4920002761","491:4910003055","492:4920002759","491:4910003191","491:4910002351","492:4920000970","492:4920002760","491:4910002352","491:4910003302","492:4920000028","491:4910001836","491:4910002349","491:4910003527","491:4910003142","492:4920000113"],"twin_admin_codes":[491,491,491,491,492,491,491,491,491,491,492,491,492,491,491,492,492,491,491,492,491,491,491,491,492],"twin_sims":[0.37356687743181144,0.32025166710330644,0.2533259578237018,0.24516676185517808,0.21863856478810123,0.19974501084355445,0.19504506097010887,0.18760475117152267,0.18733963713573928,0.18732298428132313,0.17552309829558305,0.17401014134039544,0.17291519099640384,0.1711105705171756,0.16610038731510596,0.13511657691022996,0.1279868246501565,0.12736004845545254,0.12373804693229117,0.12328111309779874,0.12317774612389652,0.12070933609853077,0.11933291842722243,0.11853164348069924,0.11847037517330589],"twin_dists":[0.18225590264216077,0.19598986468944143,0.2152219131794494,0.21777257363186545,0.22646888081191643,0.23310308243449399,0.2348197293893504,0.23759705386259872,0.23769742546302164,0.2377037335222966,0.24227664445150315,0.24287860461479102,0.24331658723496158,0.2440427889294704,0.24608819440595567,0.25985397901375085,0.26334933580644704,0.263663581435141,0.26550287356321245,0.2657378041338911,0.26579104170571544,0.26707258988185406,0.26779590570857664,0.2682199229650662,0.2682524350021141],"n_dims_used":45,"mean_confidence":0.8962171766493056},"coverage":{"mean_confidence":0.8962171766493056,"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}}