4.5.3 - The repository shall
...
create bi-directional
...
linkages between each AIP and its descriptive information.
Supporting Text
This is necessary to ensure that all AIPs can be located and retrieved.
...
Descriptive metadata; unique, persistent identifier or locator associated with the AIP; documented relationship between the AIP and its metadata; system documentation and technical architecture; process workflow documentation.
4.5.3.1 The repository shall maintain the associations between its AIPs and their descriptive information over time.
Supporting Text
This is necessary to ensure that all AIPs can continue to be located and retrieved.
Examples of Ways the Repository can Demonstrate it is Meeting this Requirement
Log detailing ongoing maintenance or checking of the integrity of the data and its relationships to the associated descriptive information, especially following repair or modification of the AIP; legacy descriptive information; persistence of identifier or locator; documented relationship between AIP and its descriptive information; system documentation and technical architecture; process workflow documentation.