Free Timestamping document servers?

[vagelism]

Hello to all!
Does anybody know a trustfull authority to provide Timestamping for documents for free?
Thank you!

[Lars Noodén]

What do you mean by Timestamping?

If you are looking for document servers then there are the following:

O3Spaces
http://o3spaces.org/
Lenya
http://lenya.apache.org/
SugardCRM
http://www.sugarforge.org/content/open-source/
Alfresco
http://www.alfresco.com/products/
Main pyrus
http://www.mainpyrus.org/
Nuxeo
http://www.nuxeo.com/en/

[vagelism]

This is what I mean:

http://en.wikipedia.org/wiki/Trusted_timestamping


Thank you!