ORTHY DIGITAL REPOSITORIES 
CCSDS 652.0-M-1 
Page 4-4 
September 2011 
is what the repository expected; 2) the Content Information is correctly identified; and 3) the 
properties of the Content Information to be preserved have been appropriately selected. 
4.1.4 The repository shall have mechanisms to appropriately verify the identity of the 
Producer of all materials. 
Supporting Text 
This is necessary in order to avoid providing erroneous provenance to the information which 
is preserved. 
Examples of Wa