{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001510},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001804","491:4910001964","491:4910001625","491:4910001860","491:4910001385","491:4910001561","491:4910001861","491:4910001914","491:4910001742","491:4910001689","491:4910001319","491:4910001271","491:4910001511","491:4910001384","491:4910001564","491:4910001623","491:4910001070","491:4910001123","491:4910001503","491:4910001265","490:4900002222","490:4900002221","490:4900002818","491:4910001321","491:4910001327"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,490,490,490,491,491],"twin_sims":[0.5222601910958147,0.46875796875421694,0.36990325305377203,0.33590063210187604,0.2796422017471978,0.23240334444084246,0.226501825296835,0.21463965210023955,0.18085758338502916,0.1693067035408695,0.13701633014000208,0.12221483604393568,0.12109117073131938,0.12006189125849132,0.11139867436784495,0.10895153084014929,0.10666426614697648,0.10484744078224557,0.10246008684957983,0.09619925002573446,0.08222396235707242,0.08139674195312502,0.07565898673387175,0.07398129785721011,0.06723163306864835],"twin_dists":[0.14803291697869134,0.1598742491187745,0.1831657412194374,0.19184004031800025,0.20733145774389553,0.22187495768909318,0.22382181002244964,0.22783958661256212,0.24018322004574272,0.24477419469584213,0.25894609401399077,0.26628861556953665,0.26687305027609104,0.2674120366668574,0.2720949456208461,0.2734684381693537,0.2747739692008865,0.275826562287432,0.2772315026528825,0.2810415316558544,0.29030992081793006,0.29089682029335034,0.2951049615333338,0.29638387813809425,0.30177931724388435],"n_dims_used":45,"mean_confidence":0.896534898546007},"coverage":{"mean_confidence":0.896534898546007,"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}}