http://tttyx2vwp7ihml3vkhywwcizv6nbwrikpgeciy3qrow7l7muak2pnhad.onion/Publications.html
In addition we show how to hide not
just the location but the existence of the hidden service from
everyone but the users knowing its service address. Not even the
public directory servers will know how a private hidden service can
be contacted, or know it exists. "Locating Hidden Servers",
Proceedings of the 2006 IEEE Symposium on Security and Privacy,
IEEE CS Press, Oakland, CA, May 2006.
[ PDF ] Hidden services were deployed on the Tor anonymous communication
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