4.2.4 - The repository shall have and use a convention that generates persistent, unique identifiers for all AIPs.
Supporting Text
This is necessary in order to ensure that each AIP can be unambiguously found in the future. This is also necessary to ensure that each AIP can be distinguished from all other AIPs in the repository.
Examples of Ways the Repository can Demonstrate it is Meeting this Requirement
Documentation describing naming convention and physical evidence of its application (e.g., logs)