The easiest way to assign a URN is to request it at DRS batch deposit. A URN is required for objects that will be delivered from the DRS (for example, image files made available in HOLLIS). A URN is optional for objects intended for storage only (for example, archival versions of objects).
To request a PID URN at batch deposit, the collection curator must select the appropriate authority path and resource name format and pass this information to the project's deposit agent. The agent will add URN requests to the batch transaction file that accompanies deposited objects.
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Below is a fragment from a DRS batch transaction file that contains a request to create a PID URN using the urnMask element {n}:
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