PDF Document Level Timestamp
This demo adds document level timestamp (PDF 2.0) to a PDF document.
A document level timestamp establishes the exact contents of the complete PDF file at the time indicated by the time stamp. The timestamp signature is created by an external time stamp server, so no signature process is done locally. The communication between the component and the timestamp server conforms to RFC 3161.
To validate the timestamp signatures make sure that the root certificate of the timestamp authority (Freetsa CA Certificate or Microsec e-Szigno Test Root CA 2008) is added as a trusted identity.