VMS Help System Services, $REM IDENT, Argument  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 id

    OpenVMS usage:rights_id
    type:         longword (unsigned)
    access:       read only
    mechanism:    by value
    Binary value of identifier deleted from rights database when
    $REM_IDENT completes execution. The id argument is a longword
    containing the identifier value.