OID value: 1.2.840.113549.1.9.16.1.4
OID description:
Identifies a time-stamp token, as defined in the Time-Stamp Protocol (RFC 3161). This is one of the possible values for the contentType value in the ContentInfo structure defined in PKCS#7/RFC 2630.
URL for further info: http://tools.ietf.org/html/rfc3161
See also the OID Repository website reference for 1.2.840.113549.1.9.16.1.4