A scholarly publication requires (essential (E); Highly desirable (HD); and preferable (P)):
- Publications should not be changed (HD).
- Different versions should be clearly identified (HD).
- To satisfy all potential interest, trustworthiness should be based on 'institutionalised' measures such as peer review rather than on personal knowledge (HD).
- Each publication should have at least one identifiable author (P).
- The potential audience must be made aware that the publication exists (HD).
- The publication should have metadata containing a minimum set of information, preferably including information about all versions (P).
Accessibility: the document must be readily obtained by those who wish to use it.
- The author must intend that the publication be made publicly available in a durable form over the long term (E).
- The publication must be durably recorded on some medium (E).
- The publication must be reliably accessible and retrievable over time (E)
- There should be a commitment not to withdraw the publication (E).
- The publication must be publicly available, i.e. available to any member of the public on demand as of right, whether for payment of a fee or not. (E).
- The publication should have stable identifiers (HD).