Trusted Time Stamping

Relevant Resources:

Trusted timestamping - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Trusted_timestamping

authentication - What is the most credible timestamp I can create for a digital file? - Information Security Stack Exchange http://security.stackexchange.com/questions/57101/what-is-the-most-credible-timestamp-i-can-create-for-a-digital-file

Learn How To Overcome Timestamp-based Courtroom Challenges To Digital Evidence « VeriPic | Digital Evidence Management Solutions http://www.veripic.com/learn-how-to-overcome-timestamp-based-courtroom-challenges-to-digital-evidence/

DigiStamp https://www.digistamp.com/account/newAccount

DigiStamp License Agreement https://www.digistamp.com/about-us/digistamp-license-agreement/

DigiStamp :: Produce Strong Legal Evidence with a Digital TimeStamp https://www.digistamp.com/authority/evidence/

https://www.anf.es/pdf/Haber_Stornetta.pdf https://www.anf.es/pdf/Haber_Stornetta.pdf

RFC 3161 - Internet X.509 Public Key Infrastructure Time-Stamp Protocol (TSP) http://tools.ietf.org/html/rfc3161

https://www.ietf.org/rfc/rfc3628.txt https://www.ietf.org/rfc/rfc3628.txt