17 Dec
2003
17 Dec
'03
11:17 p.m.
Also, one could set up a hashing/signing service, more akin to a time stamp service. [....] "Digital Notary" system?
There's certainly a need for such services. You have to be careful to avoid stepping on Bellcore's work, since I think it's patented,
It is patented, and one of the first claims in the patent is just signing a claimed time and the given document. I don't think this would hold up in court, because of obviousness, but the clause is in there. Eric