{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001713},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001834","491:4910002289","491:4910001886","491:4910001716","491:4910002230","491:4910001595","491:4910002086","491:4910001423","491:4910002251","491:4910001941","491:4910002192","491:4910001599","491:4910001793","491:4910002588","491:4910002137","491:4910001164","491:4910000964","491:4910001885","491:4910001482","491:4910001659","491:4910002042","491:4910001094","491:4910002342","491:4910001957","491:4910002046"],"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":[0.738576762495557,0.3463846725090064,0.3234385291725855,0.30412037312098283,0.3024447488924216,0.29439854199911714,0.2617573871019148,0.2568988110203899,0.2567597269474706,0.24446961120476163,0.23786033713779828,0.23200033276187212,0.23007722484872886,0.22182777257302916,0.21842728622733867,0.21786801801729616,0.2096993632868424,0.2006494953561564,0.185530436538273,0.1851900557480119,0.18509954430980527,0.1797236739059312,0.17788115168687946,0.17438357653114794,0.17334888086937236],"twin_dists":[0.10110714049147879,0.18911842393945663,0.1951358186763852,0.20038852207203262,0.2008530395648175,0.20310483428917608,0.21264044909666524,0.2141214801117107,0.21416413581375707,0.2179930225653397,0.22010347040959613,0.22200686304066777,0.22263838043784137,0.2253877338772734,0.2265408768694185,0.22673168113947847,0.22955699573713426,0.23277593139859096,0.2383850606321566,0.2385149575707362,0.2385495270276623,0.24062449870119268,0.24134577330042853,0.242729679930296,0.24314287392094872],"n_dims_used":45,"mean_confidence":0.8972869025336372},"coverage":{"mean_confidence":0.8972869025336372,"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}}