Get the already-minted PID from the inventory or mint a new one.
get_or_create_pid(file, mn, scheme = "UUID")
| file | (data.frame) A single row from the inventory. |
|---|---|
| mn | (MNode) The Member Node that will mint the new PID, if needed. |
| scheme | (character) The identifier scheme to use. |
The identifier (character)