Long Term Archiving & Retrieval of Digital Product Definition Data : Quality Assurance Recommendation – SASIG

This document aims to provide a comprehensive explanation of the four checking and validation functions that define the LTAR Quality Assurance strategy.

The four functions are: Product Data Quality (PDQ) Check, Archival Rules Check, Fixity Check, and Equivalence Validation. Included is a detail description of what each function does, why it is needed, and when it should be performed.