On Sun, Sep 08, 2013 at 11:12:40AM -0400, Caleb James DeLisle wrote:
> Interesting, I was thinking about a doing something similar but the hard
> part for me was generating a proof which can be verified by someone in
> possession of the header chain and of course managing the header chain
> reorgs and verifying the proofs...

https://github.com/opentimestamps/

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'peter'[:-1]@petertodd.org