What are the advantages of using this for timestamps rather than the SSL CA timestamp servers? http://en.wikipedia.org/wiki/Trusted_timestamping http://en.wikip

What are the advantages of using this for timestamps rather than the SSL CA timestamp servers? http://en.wikipedia.org/wiki/Trusted_timestamping http://en.wikipedia.org/wiki/Trusted_timestamping I am looking for a way to prove that web content existed -- building a cryptographically verifiable "Internet Archive" knock-off; timestamping is a key part of this.