How to add a timestamp to a PDF document or signatures — Fox it Sept 20, 2023 — In addition to the traditional print version of a document, there also comes the option to have your document “published” electronically as a PDF file. For example, there could be a printed version of your blog post, a blog entry on a website, or even a digital version of your report. You can use either a paper-based electronic version or a free software program called Fox it Digital Signatures to make your PDF documents easily editable digitally. You can save your document with an optional electronic signature and automatically publish a PDF document with the electronic signature and timestamp attached. So let's say you have a presentation you would like to give at a conference. You can easily embed the document for your audience.