{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001256},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001632","491:4910001514","491:4910001968","491:4910000994","491:4910001569","490:4900004476","491:4910001331","491:4910001679","490:4900002968","490:4900003111","491:4910001628","491:4910001855","490:4900004337","490:4900002972","491:4910001330","490:4900002971","491:4910001117","491:4910001967","491:4910001507","491:4910001323","491:4910001396","491:4910001456","491:4910001193","491:4910001324","491:4910002014"],"twin_admin_codes":[491,491,491,491,491,490,491,491,490,490,491,491,490,490,491,490,491,491,491,491,491,491,491,491,491],"twin_sims":[0.5020670414895982,0.477583967510962,0.44028070051095447,0.41036135467711193,0.39615368138944385,0.3927194818502999,0.36998536660614967,0.35531988132845904,0.33827717237485005,0.32794264872144024,0.3216338769056525,0.3106415310038339,0.30021032645799384,0.274168824873331,0.2617292635034333,0.25326900817104897,0.2514790498817907,0.24427107867912845,0.2440052003019319,0.2335890341710082,0.2320237501877529,0.23184579605120748,0.22238779956984614,0.22194391485650006,0.22180802953116247],"twin_dists":[0.15245977287424312,0.1578939737439538,0.16635525687745675,0.17334397539399565,0.17673938086078367,0.17756836862275072,0.1831453000296923,0.1868330896708045,0.19121915080712223,0.19393670945616487,0.19561886601078524,0.19859466786626423,0.20147480424600955,0.20893339622694052,0.21264897201607133,0.2152395330873725,0.215794626493964,0.2180558755179472,0.21814010099205033,0.2214877520241534,0.2219991944170632,0.22205748273548168,0.22519895876523904,0.22534855825213948,0.2253943947091701],"n_dims_used":45,"mean_confidence":0.8963382297092014},"coverage":{"mean_confidence":0.8963382297092014,"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}}