Annotations

An artifact may carry annotations: named values attached to it for a purpose beyond its core description. An annotation names a property — usually by IRI — and gives it a value. It is how an artifact records extra facts about itself, such as a DOI or an external version tag.

annotations:
  https://schema.org/version:
    value: "2"
  https://datacite.com/doi:
    id: https://doi.org/10.60745/kys3-pa43

annotations is a mapping from each annotation name to its value. A value is either a literal, written with value, or an IRI, written with id.

Key within an annotation	Value	Meaning
value	string	A literal annotation value.
id	IRI	An IRI annotation value.