{
  "claim_generator_info": [
    {
      "name": "draft",
      "version": "0.0.35-0.20260906233428-4200d43a9474+dirty"
    }
  ],
  "title": "A Validation Loss of 3.41, and a Variance That Swallows the Result",
  "format": "text/markdown",
  "assertions": [
    {
      "label": "c2pa.actions",
      "data": {
        "actions": [
          {
            "action": "c2pa.created",
            "digitalSourceType": "http://cv.iptc.org/newscodes/digitalsourcetype/trainedAlgorithmicMedia",
            "softwareAgent": {
              "name": "draft",
              "version": "0.0.35-0.20260906233428-4200d43a9474+dirty"
            },
            "when": "2026-09-06T23:42:51Z"
          }
        ]
      }
    },
    {
      "label": "com.draftlib.grounding",
      "data": {
        "schema": 1,
        "article_sha256": "64261b9701285f8399afeeaec37bb0df1a795c3bef6fa7c8b2859f1ec1ce207d",
        "ledger_sha256": "0ba61c2f2f7d724293337487dba8bb6030c2f417862daf6a4c3b53158e50fba7",
        "prompt_version": "53dffa59cccf2ee8",
        "engine": "claude",
        "model": "sonnet",
        "reader": "pdftotext",
        "sources": [
          {
            "path": "two-column.pdf",
            "sha256": "00b63c6adbc3b43aff146ce29773a9d2a21f3c856320c60b5c7425b969c43125"
          }
        ],
        "claims": [
          "c6403250d2e",
          "c4f7fbd0d88",
          "cdd7f5a4a54",
          "cbc9ba5d006",
          "c189fdb482c",
          "c57250b0e23"
        ],
        "sentences": 36,
        "attributed": 13,
        "unattributed": 23,
        "sentences_with_ungrounded_numbers": 0
      }
    }
  ],
  "ingredients": [
    {
      "title": "two-column.pdf",
      "relationship": "inputTo",
      "format": "application/pdf"
    }
  ]
}