{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001263},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002558","490:4900001789","490:4900001796","490:4900003976","490:4900001957","490:4900009911","490:4900003547","490:4900009792","490:4900001950","490:4900010296","490:4900010211","490:4900002860","490:4900010895","490:4900010207","490:4900008844","490:4900011944","490:4900002422","490:4900010900","490:4900001523","490:4900003687","490:4900010561","494:4940009006","490:4900001384","490:4900011814","490:4900001797"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490],"twin_sims":[0.2917556058719613,0.24388675098828147,0.2349116350237455,0.2231110033705119,0.14051249819535677,0.12336609240959243,0.1231725773305234,0.11892649734184012,0.10439665523536773,0.10400021041683266,0.10056152969870565,0.09841911582251306,0.09117693545861527,0.09093185431925631,0.08944585846661492,0.08712845064499082,0.0836180998532178,0.08315117839424467,0.08299487768086751,0.08279890453204454,0.08278012614824547,0.08173669560215652,0.0814647777118602,0.08130399707981943,0.08075026000168185],"twin_dists":[0.20385237818891636,0.21817764267280976,0.2210573543880475,0.22495564844849472,0.2572996066228689,0.2656940622867584,0.265793704705967,0.26801070171311736,0.27608992346727906,0.2763222701703777,0.2783671423347344,0.27966897359683884,0.2842414238322929,0.28440110275444414,0.28537664649160904,0.2869239779447583,0.289331401296525,0.2896576631070982,0.2897672053438249,0.28990478489924904,0.2899179815978183,0.29065505354343524,0.29084837030725064,0.29096291852025247,0.2913588221922132],"n_dims_used":45,"mean_confidence":0.9177463955349392},"coverage":{"mean_confidence":0.9177463955349392,"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}}