{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000191},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000291","491:4910000095","491:4910000558","491:4910000119","491:4910000113","491:4910000294","491:4910000289","491:4910000025","491:4910000332","491:4910000134","491:4910000061","491:4910000199","491:4910000105","491:4910000237","491:4910000816","491:4910000633","491:4910000420","491:4910000140","491:4910000403","491:4910000063","491:4910000355","491:4910000462","491:4910000238","491:4910000159","491:4910000290"],"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":[0.25795289135151467,0.23969829136255502,0.23612474931496918,0.19324514459157285,0.1751885214126073,0.16399244700448815,0.12474618039272384,0.12462666570208099,0.11948149822422693,0.11844860782040549,0.11417021835692592,0.11316792040158644,0.10192639410601262,0.099112532373285,0.09395360135500673,0.09323157952466268,0.08842477799526323,0.08640802486003557,0.08582638736870607,0.08571816338234939,0.08280448218497596,0.08213508193619647,0.07924370586251621,0.07753456350900118,0.07672545428714712],"twin_dists":[0.2137986774537269,0.21951280156606806,0.22066397868333962,0.23548473848106402,0.24240944291107328,0.24696205994306683,0.2649868705034123,0.2650478769184595,0.2677175200527485,0.2682639889504741,0.27056722986867954,0.27111637779585185,0.27754906321580347,0.27924521175145284,0.2824556153800611,0.2829159299862409,0.2860544507521739,0.28741166685888886,0.28780776996432783,0.2878817076835374,0.2899008656082244,0.2903727528858311,0.2924470834672064,0.2937019836465299,0.2943038274897205],"n_dims_used":45,"mean_confidence":0.8895747714572483},"coverage":{"mean_confidence":0.8895747714572483,"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}}