{
  "@context": "https://schema.org",
  "@type": "Dataset",
  "dateModified": "2026-06-02T10:20:57.782Z",
  "name": "Provenance Schema",
  "spec": [
    "C2PA 2.1 Technical Specification",
    "in-toto Attestation 1.0",
    "SLSA v1.0",
    "W3C PROV-O",
    "EU AI Act Art.50 (transparency)",
    "NIST IR 8259A"
  ],
  "variableMeasured": [
    "contentId",
    "producer",
    "createdAt",
    "model",
    "modelVersion",
    "inputHash",
    "outputHash",
    "toolChain",
    "signature",
    "c2paManifest",
    "watermark"
  ]
}