How can I sign and timestamp my PDF?

With the help of UniPDF, you can digitally sign your documents and place a timestamp indicating the time, the document was signed.. This feature allows for easy tracking of signed documents and helps in maintaining a timeline of the documents. 

To check out how you can sign documents by using your digital certificates and timestamp them, you can check out this example.

- https://github.com/unidoc/unipdf-examples/blob/master/signatures/pdf_sign_timestamp.go

In the example, we are digitally signing and timestamping a document by using a PKCS12 file.