- The system of identifiers shall be adequate to fit the repository’s current and foreseeable future requirements such as numbers of objects.


The structure of SP's URIs contain the object's ISSN, a unique eight-digit number bestowed upon the publication by an ISSN centre. As long as unique ISSNs are available, SP's system of identification will be adequate to fit the repository's current and future requirements.


Digital Preservation Policy Librarian

Relevant Documents

  1. File Naming Plan