{
  "status": "written before the first witness run",
  "seeds": "80000..80015; nuisance stream991+seed+rank",
  "ranks": [1,2,3,7,11],
  "feature_dimensions": [2,3,4,8,12],
  "train_validation_test_sizes": [128,96,256],
  "anchor_size": 48,
  "shifted_anchor_test_size": 256,
  "validation_mse_target": 0.01,
  "finite_anchor_mse_tolerance": 1e-16,
  "constructed_witness": true,
  "claim_boundary": "Restricted primitive-arity barrier, not unseen algorithmic tasks. Algebraic dense-nullspace control gets the same data, solver and resource budget. No novel optimization or general RSI claim."
}