{
  "frozen_at": "2026-07-18T23:46:57.951556+00:00",
  "git_sha": "f93f4b5578c221d3d2665f9b305f3e86759be862+dirty",
  "spec": {
    "analysis": "campaign.ladder.analyze",
    "hypotheses": [
      {
        "id": "H-ladder-coverage",
        "prediction": {
          "ci_excludes": null,
          "comparator": ">=",
          "effect": null,
          "metric": "ladder_8b_metrics_in_interval",
          "threshold": 2.0
        },
        "scoreboard_row": null,
        "statement": "at least 2 of 3 capture-only internal quantities land in their pre-frozen 8B intervals"
      },
      {
        "id": "H-ladder-beats-flat",
        "prediction": {
          "ci_excludes": 0.0,
          "comparator": "<",
          "effect": null,
          "metric": "ladder_extrap_minus_flat_error",
          "threshold": 0.0
        },
        "scoreboard_row": null,
        "statement": "the extrapolation beats a no-trend (equal-to-4B) baseline"
      }
    ],
    "id": "campaign-ladder",
    "kill_criteria": [
      {
        "comparator": "<=",
        "id": "K-ladder",
        "metric": "ladder_8b_metrics_in_interval",
        "threshold": 0.0
      }
    ],
    "science": "S03-thermo",
    "subjects": {
      "datasets": [
        "rb2-full"
      ],
      "extra": {
        "slice_hashes": {
          "rb2-full": "ds:92765fc94e2b8231914d5119670e53bc"
        }
      },
      "organisms": [],
      "signals": [
        "skywork-v2-qwen3-0.6b",
        "skywork-v2-qwen3-1.7b",
        "skywork-v2-qwen3-4b",
        "skywork-v2-qwen3-8b"
      ]
    },
    "title": "Same-recipe scale ladder with frozen 8B extrapolation",
    "version": 1
  },
  "spec_hash": "spec:0023527a360de5b616a0aa5a7bb6c3cf",
  "study_id": "study:campaign-ladder@v1#0023527a"
}