4.2.4.1.2 Assign and maintain persistent identifiers of the AIP and its components
From CLOCKSS Trusted Digital Repository Documents
4.2.4.1.2 - The repository shall assign and maintain persistent identifiers of the AIP and its components so as to be unique within the context of the repository.
As described in Definition of AIP, each AU (AIP) has a persistent, unique identifier that is the same on every CLOCKSS box and can be used to locate it in the box's file system.
