<p>apparently a solution here
<a href="http://meta.stackexchange.com/questions/64433/username-missing-from-launchpad-openid-replaced-with-usernumber/64434#64434">http://meta.stackexchange.com/questions/64433/username-missing-from-launchpad-openid-replaced-with-usernumber/64434#64434</a></p>

<p>related <a href="http://meta.stackexchange.com/questions/64439/my-profile-just-went-blank">http://meta.stackexchange.com/questions/64439/my-profile-just-went-blank</a></p>