What are persistent identifiers used for in digital archiving?

Persistent identifiers are fundamental in digital archiving because they provide a unique and consistent reference for a digital object, ensuring reliable access over time. Unlike conventional URLs, which can change or become inactive as resources are moved or deleted, persistent identifiers remain stable and allow for continued access to digital materials regardless of their location or format changes.

By assigning a persistent identifier to an archive item, you facilitate users' ability to locate and reference that item with confidence, even many years after its initial submission. This is crucial in ensuring that digital archives remain usable and accessible, fostering trust in the system.

The other options do not align with the primary function of persistent identifiers. Creating backup copies is focused on data preservation and redundancy, while navigating through the archive is more related to user interface design. Monitoring usage statistics is about analyzing engagement with content, which is distinct from ensuring persistent and reliable references to digital materials.