4.2.6.1 Documented processes for acquiring PDI
From CLOCKSS Trusted Digital Repository Documents
4.2.6.1 - The repository shall have documented processes for acquiring PDI.
The CLOCKSS archive has a single class of AIP, called an Archival Unit (AU), documented in Definition of AIP. This document defines the Preservation Description Information (PDI) associated with each content object within each AIP (AU), and how the PDI is generated during the creation of that content object from a SIP.