{
  "frozen_at": "2026-07-18T23:46:57.951556+00:00",
  "git_sha": "f93f4b5578c221d3d2665f9b305f3e86759be862+dirty",
  "spec": {
    "analysis": "campaign.field.analyze",
    "hypotheses": [
      {
        "id": "H-flat",
        "prediction": {
          "ci_excludes": null,
          "comparator": ">",
          "effect": null,
          "metric": "flat_hack_overlap_minus_random",
          "threshold": 0.0
        },
        "scoreboard_row": null,
        "statement": "the flat directions of the reward Hessian overlap the HACK-FORE-flagged direction more than a random direction does"
      }
    ],
    "id": "campaign-field-flat",
    "kill_criteria": [],
    "science": "S04-field",
    "subjects": {
      "datasets": [
        "rb2-full"
      ],
      "extra": {
        "slice_hashes": {
          "rb2-full": "ds:92765fc94e2b8231914d5119670e53bc"
        }
      },
      "organisms": [],
      "signals": [
        "skywork-v2-llama31-8b"
      ]
    },
    "title": "The reward Hessian's flat subspace overlaps the flagged hackable direction",
    "version": 1
  },
  "spec_hash": "spec:f27fb97dc1e2b1a8b5d7d467da898e0b",
  "study_id": "study:campaign-field-flat@v1#f27fb97d"
}