{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001385},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001070","491:4910001265","491:4910001267","491:4910001914","491:4910001266","491:4910001005","491:4910001860","491:4910001006","491:4910001271","491:4910001510","491:4910001194","491:4910001504","491:4910001564","491:4910001742","491:4910001124","491:4910001205","491:4910001339","491:4910001123","491:4910001561","491:4910001127","491:4910001321","491:4910001187","491:4910001568","491:4910001130","491:4910001384"],"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":[0.5953213635515437,0.544006918453032,0.46998428963077993,0.4180602721609841,0.384189286153997,0.3621535971351251,0.3254624851275553,0.32538367728909656,0.28811227214141033,0.2796422017471978,0.22542545910301937,0.22381428920904745,0.2132679634138515,0.19369810042271757,0.19228593885831669,0.19021896584177664,0.18682825385470092,0.18680283791602606,0.18468521322496723,0.18038379279707978,0.16905297886038226,0.16751658093351096,0.16281925682168155,0.15831115585048328,0.15440721667757096],"twin_dists":[0.13227497043028902,0.14330910417132767,0.1595983616002229,0.17152576837626107,0.17964227770758226,0.18510526003288374,0.19459585319719166,0.19461684316411954,0.204889510475257,0.20733145774389553,0.22418050040991522,0.22471954297607627,0.22831372364937025,0.23531698234058124,0.23584089417154547,0.23661259798485915,0.2378913159039366,0.2379009620412542,0.2387079264732281,0.24036736412685342,0.24487751950014,0.24550558375983444,0.2474519398294702,0.24935853141289643,0.25104183431807076],"n_dims_used":45,"mean_confidence":0.8958298577202691},"coverage":{"mean_confidence":0.8958298577202691,"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}}