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SP has few instances causing the need for a change to an identifier. The examples below are some exceptions.

  • In the case of a collision, the URI that was generated will be appended with an underscore (_) and a sequential number beginning with one. This number will increment for each duplicate URI.
  • In the case of a replacement article, the new copy of an article will supersede the old and claim the original identifier. The old copy of the article will retain the original identifier with “_old1” added onto the end. If another newer copy replaces the previous one, the previous will retain the identifier with “_old2” added.

Please see document below for further details.


Digital Preservation Policy Librarian

Relevant Document

  1. URI & File Naming Plan
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