Provenance event
An append-only OCEL2-conformant event recording a mutation — revision, finalization, correction, approval or ingest load — with who/when/where attributes: actor and credential, server timestamp, origin interface or application, approval state and materiality — and its chain position.
Related terms
Canonical definition from the Ledgerbook glossary. Definitions are the product vocabulary — the same terms the API and MCP tools use.