{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001623},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000991","491:4910001202","491:4910001057","491:4910001860","491:4910000995","491:4910001502","491:4910001510","491:4910001335","491:4910002112","491:4910001319","491:4910001511","491:4910001801","491:4910001807","491:4910001067","491:4910001561","491:4910002256","491:4910001385","491:4910001000","491:4910001804","491:4910001742","491:4910001070","491:4910001005","491:4910001123","491:4910001503","491:4910001327"],"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":[0.3076598071644932,0.25132522041598054,0.2000239253027126,0.18181335829729459,0.1451000809168812,0.13123688130016398,0.10895153084014929,0.09924288397895734,0.09040346549434881,0.08453343862786467,0.08392103734186539,0.08010691339418821,0.07929997590292308,0.07648346660225434,0.07254707990896933,0.07114247292821005,0.0695586973279101,0.06809752033612085,0.06575095057987282,0.05962721850924447,0.05602527426641796,0.052307237236985486,0.05171814666455588,0.04433100497205966,0.04335719507417034],"twin_dists":[0.19941216784556995,0.21584244869166308,0.23300209070360534,0.23981278340738235,0.255184798550327,0.2617382640111317,0.2734684381693537,0.2791658107307939,0.2847465288957091,0.2886960051779128,0.28912050077695417,0.2918215351842511,0.29240613957719264,0.29448481884364935,0.29749590792766784,0.2986023617295575,0.29987140621402725,0.3010632072758776,0.30302148555756675,0.3084153009482525,0.3118044025656593,0.31549721104345896,0.31610215255574,0.3242220246482842,0.3253755156087582],"n_dims_used":45,"mean_confidence":0.8945261637369791},"coverage":{"mean_confidence":0.8945261637369791,"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}}