Key of the generated asset in Assets.Approved.
Whether provider C2PA content credentials are preserved on the stored file.
OptionalCostGeneration cost in USD recorded on the prompt run.
OptionalDurationGenerated clip duration in seconds (for video assets).
Whether the generated asset is a still image or video clip.
MJ: AI Models ID that produced the asset.
MJ: AI Prompt Runs ID recording the generation run and cost.
Per-asset generation provenance and spend entry in the production manifest (§11.1, §13.3).