OID value: 0.9.2342.19200300.100.1.12
OID description:
The Document Title attribute type specifies the
 title of a document.
documentTitle ATTRIBUTE ::= {
    WITH SYNTAX DirectoryString { ub-document-title }
    EQUALITY MATCHING RULE caseIgnoreMatch
    SUBSTRINGS MATCHING RULE caseIgnoreSubstringsMatch
    ID id-documentTitle
}
See also the OID Repository website reference for 0.9.2342.19200300.100.1.12