{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910002255},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001122","491:4910001061","491:4910001191","491:4910001193","491:4910001967","491:4910001060","491:4910001560","491:4910002259","491:4910001458","491:4910001129","491:4910001383","491:4910002257","491:4910001332","491:4910001456","491:4910001681","491:4910001569","491:4910001740","491:4910001506","491:4910001393","491:4910002206","491:4910001382","491:4910001073","491:4910001501","491:4910001326","491:4910001966"],"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":[0.5656270226221759,0.5301911920493231,0.5201325259237536,0.4533239986486456,0.4469887077368516,0.41288521702354825,0.40093993601481437,0.3891992507453196,0.37400771456824594,0.3283986502482356,0.3259552057837184,0.30760263337788485,0.29586017061419445,0.2929283481029674,0.2717738768949996,0.22028437140392787,0.2108900057216346,0.18277852368864034,0.1753062611829562,0.1708078297934145,0.16118881952394315,0.15770924002124662,0.15694023488297074,0.15151523723580143,0.14381116270243252],"twin_dists":[0.13864615698871433,0.14630550908330434,0.14849733727689704,0.16336828905301282,0.16481496618369243,0.17274631377895514,0.17558950456638822,0.17842163057124286,0.18214672093540749,0.19381581965066566,0.1944646840167755,0.1994278875895798,0.20269312245936777,0.2035201795218468,0.2096405068168526,0.22590964075652717,0.229140600795595,0.23944010115733816,0.24236268967454758,0.2441651522713677,0.2481370146362468,0.24961607480795822,0.24994615630631992,0.2523090007937155,0.25577389403003326],"n_dims_used":45,"mean_confidence":0.895275370279948},"coverage":{"mean_confidence":0.895275370279948,"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}}