The following metadata items are maintained in Trust and Identity's document repository.
- Repository ID - Unique repository identifier that is never reassigned to another document or version of the document.
- Persistent URL - The public location of the document itself. Use this URL if you are linking to the document.
- Title - The document's title.
- Authors - The document's author(s).
- Sponsor - Organization or group that sponsored the document and approved it to be published. (See Trust and Identity Document Stewardship for the list of authorized sponsors.)
- Review - If applicable, location of materials related to community review of the document prior to the final version.
- Status - Current status (Review / Preserve / Legacy / Not Reviewed).
- Publish Date - Date the authors finalized the document for publishing in the repository.
- DOI - The document's Digital Object Identifier.
- Signature - If provided by the authors, a digital signature that can be used to verify the authenticity of the document.
- Deprecated - Whether the document has been deprecated (yes / no).
- Future Review - A future date when the sponsor should consider updating (or deprecating) the document.
- Supersedes - A list of Repository IDs of documents that have been superseded by this document.
- Format - The file formats provided for this document.
- Related Docs - A list of Repository IDs of documents that are closely related to this document. Such documents are often submitted concurrently with this document.
- Development Location - The location of the revisable document (e.g., wiki page, MS Word file) that was used to create these documents.
- IP Framework - The license under which this document is released, typically Creative Commons CC-BY-4.0.
- Subject Tags - Subject tags used to categorize this document. (See Subject Tags in the Trust and Identity Document Repository for more information.)
- Notes - Miscellaneous notes about the document.