[nSLUG] Timstamping a document

Gerald Ruderman linux at zdoit.airpost.net
Fri Oct 4 09:24:42 ADT 2013


Vlado,

Then publishing a list of timestamps and when they were issued.

Gerald

On 10/4/13 5:23 AM, Vlado Keselj wrote:
> 
> It seems to me that itconsult.co.uk works by receiving document (maybe 
> encrypted) and issuing a certificate.  So this is a third-party 
> confirmation that a document existed at certain time.
> 
> Vlado
> 
> 
> On Thu, 3 Oct 2013, Richard Bonner wrote:
> 
>>
>> On Thu, 3 Oct 2013, Gerald Ruderman wrote:
>>
>>> I am trying to timestamp a PDF to prove it existed at a certain time.
>> (Snip)
>>
>> ***   Since timestamps can be changed, a file's date and time are not proof of
>> its actual creation date.
>>
>>  Richard
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