{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990000732},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990000507","499:4990000724","499:4990000381","499:4990000184","499:4990001060","499:4990001167","499:4990000280","499:4990000269","499:4990000980","499:4990000584","499:4990000727","477:4770003745","499:4990000731","499:4990000382","477:4770003832","499:4990000324","499:4990000809","499:4990000030","499:4990000657","477:4770003909","477:4770003872","499:4990000899","499:4990000234","499:4990000062","499:4990000197"],"twin_admin_codes":[499,499,499,499,499,499,499,499,499,499,499,477,499,499,477,499,499,499,499,477,477,499,499,499,499],"twin_sims":[0.9415575011121855,0.9312338374495228,0.9249265485556835,0.8938620159719848,0.8737554895998922,0.8436976406303796,0.8368892286919861,0.8359710299972936,0.8248851154471382,0.8208854011817829,0.8119658265323367,0.8073026298073676,0.8067665180723592,0.8037027781851407,0.793404704212198,0.789987050687819,0.7861648197471095,0.7779258600081875,0.7765329492257865,0.7659957337125131,0.7645886373908889,0.7645601841269171,0.7638638526738676,0.7613973880660397,0.7564187621107041],"twin_dists":[0.045072195193635756,0.04902477718513701,0.051309776405060986,0.06152374214520793,0.06747344045294293,0.07572052270020158,0.0775044021442538,0.07774294178209323,0.08058733523788963,0.08159834586067621,0.08382631554121639,0.08497735939045024,0.08510911560124113,0.08585985696863856,0.08835701117992144,0.0891772979686884,0.09008999436979576,0.09204135459614875,0.09236919774550244,0.09483126624934435,0.09515773821357582,0.0951643345206281,0.09532569887668904,0.09589625839740996,0.09704329769080461],"n_dims_used":45,"mean_confidence":0.9240082634819878},"coverage":{"mean_confidence":0.9240082634819878,"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}}