I've had a VeriSign OpenID since August and it works in conjunction with my PayPal security key. Pretty neat stuff, but I keep forgetting the long URL that represents me. Today, I took a few minutes and added some bits of code to my home page. With that code, I can just use my domain as my OpenID and it'll act as a delegate for my "real" VeriSign ID. Cool, huh?
Here's the code:
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<link href="https://pip.verisignlabs.com/server/" rel="openid.server" />
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<link href="http://ckas10.pip.verisignlabs.com/" rel="openid.delegate" />
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<link href="https://pip.verisignlabs.com/server/" rel="openid2.provider" />
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<link href="http://ckas10.pip.verisignlabs.com/" rel="openid2.local_id" />
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<meta http-equiv="X-XRDS-Location" content="http://pip.verisignlabs.com/user/ckas10/yadis" />
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<meta http-equiv="X-YADIS-Location" content="http://pip.verisignlabs.com/user/ckas10/yadis" />
Now I'm not 100% that I need all those, but I came across various permutations in my searching and I figured I'd try to cover all the bases. I also figure that if I'm wrong, a reader smarter than I am will correct me. 
Now, when I need to provide my openID I can just use http://solo-technology.com which is much easier for me to remember.
Next, to humor Peter, I'll try to find a WordPress OpenID plugin that works.
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January 18th, 2008 
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Yay for OpenID!
Yeah baby — we’re OpenID enabled here.
Hi: I am the technical director for the PiP/SeatBelt product here at Verisign. If you have not tried our Firefox extension called “SeatBelt” you should check it out: http://pip.verisignlabs.com/seatbelt.do
It fully supports delegation and makes it easier to enter your OpenID identifier.
Also looking at your code all you really need with us is openid.delegate and openid.server tags for it to work with the PiP.
Thanks Gary — Peter had just mentioned seatbelt in a recent comment. I wonder if it’ll work with FF3 beta2?
And thanks for the tip on the delegate stuff. I just knew someone would give me a nudge in the right way.