
FOREWORD 
This document is a technical Recommendation to use as the basis for providing audit and 
certification of the trustworthiness of digital repositories.  It provides a detailed specification 
of criteria by which digital repositories shall be audited. 
The OAIS Reference Model (reference [1]) contained a roadmap which included the need for 
a certification standard.  The initial work was to be carried out outside CCSDS and then 
brought back into CCSDS to take into the standard. 
In 2003, Research 