Proof for a creation date
roman.zeyde at gmail.com
Tue Dec 6 12:30:27 CET 2016
You can also use OpenTimestamps service as described here:
On Mon, Dec 5, 2016 at 2:11 PM, Bertram Scharpf <lists at bertram-scharpf.de>
> On Thursday, 01. Dec 2016, 19:59:15 -0800, Schlacta, Christ wrote:
> > On Dec 1, 2016 7:43 PM, "Bertram Scharpf" <lists at bertram-scharpf.de>
> > >
> > > we all know that kidnappers do publish a picture of their
> > > hostage holding up a todays newpaper. The purpose of this is
> > > to proof that the victim was alive _after_ a certain point
> > > of time. I want to do the opposite. I want to make evidence
> > > that I created a document _before_ a certain point of time.
> Thank you all for your detailed answers.
> I might resume it to two possibilities to accomplish the task:
> - Post a digest to a site where you cannot withdraw it
> ever and where it can be retrieved by everybody. This
> could be a Github issue, on Reddit or Twitter or maybe
> even on the GnuPG mailing list.
> The disadvantage is that you are dependent on the
> provider of the site to continue the service and that
> your information can be found there. This could most
> notably become a problem because the post is, in the
> end, an abuse of the forum.
> - Let one or more people sign your document and provide
> the signatures yourself.
> The weak point is how to find these people and to make
> them do what you want. The service
> <http://www.itconsult.co.uk/stamper.htm> makes
> signatures in a format that is no longer supported.
> Maybe a combination of both methods is a good way to handle
> the disadvantages.
> Bertram Scharpf
> Stuttgart, Deutschland/Germany
> Gnupg-users mailing list
> Gnupg-users at gnupg.org
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Gnupg-users