OID value: 0.9.2342.19200300.100.1.11
OID description:
The Document Identifier attribute type specifies a unique identifier
for a document.
documentIdentifier ATTRIBUTE ::= { WITH SYNTAX DirectoryString { ub-document-identifier } EQUALITY MATCHING RULE caseIgnoreMatch SUBSTRINGS MATCHING RULE caseIgnoreSubstringsMatch ID id-documentIdentifier }
See also the OID Repository website reference for 0.9.2342.19200300.100.1.11