4.1.6 - The repository shall obtain sufficient control over the Digital Objects to preserve them.
Supporting Text
This is necessary in order to ensure that the most basic type of preservation, namely bit preservation, is assured.
Examples of Ways the Repository can Demonstrate it is Meeting this Requirement
Documents showing the level of physical control the repository actually has. A separate database/metadata catalog listing all of the digital objects in the repository and metadata sufficient to validate the integrity of those objects (file size, checksum, hash, location, number of copies, etc.)