{
  "mutation_id": "UNKNOWN_AI_PROVENANCE",
  "source_fixture": "baseline_fixture.json",
  "changes": [
    {
      "path": "ai_provenance.rights_status",
      "from": "VERIFIED_RIGHTS_CLEARED",
      "to": "UNKNOWN"
    },
    {
      "path": "ai_provenance.rights_provenance_ref",
      "from": "rights://D3D002/SYNTHETIC_RIGHTS_CLEARED",
      "to": ""
    }
  ],
  "learner_task": "Preserve unresolved provenance as non-success evidence; do not invent a source or permission."
}