Archive Seial Number saved as string

Description Currently the archive serial number is obviously saved as unsigned integer. But this is really limiting. An Archive Serial Number is supposed to be human readable and easy to connect to a physical document. In our company for example we would like to use the first 6 digits to catogerize and connect it to a folder. XXXXXX -> 1XXXXX is finance -> 11XXXX is depts or wahtever this why the number tells you what Category of Folder you need to look in and then the last 3 or 4 digets are just the number of the folder. Then maybe 2 or 3 Digits for the section in the Folder and 4 digits for the document number within the folder. This is just an example of why effectivly 9 digits might not be always sufficient enough. Several of these systems even in Alphanumeric form are imagineable. Also XXXXX-XXX-XXXX would be more readyble. Saving it as string would give much more flexebility. Maybe i am completly missing something, like this request if you feel the sa…