Adobe Acrobat Time Stamp Server

Strong evidence for data authentication

Import DigiStamp Root Certificate to Adobe Acrobat

How to import the DigiStamp CA certificate?

When Adobe Reader reports "Signature is timestamped but the timestamp could not be verified" then you may need to perform this one-time procedure.

Here is an example of when you need to import the DigiStamp public key certificate:

First, download the Root Certificate from DigiStamp

	In your Browser "Save" the DigiStamp CA certificate from here: https://support.digistamp.com/pubkeys/dgsca80.cer
	FYI, detail information about DigiStamp public key certificates here

Import the Certificate

"3. Browse..." to the certificate file that you download to your computer from the DigiStamp web site.