SSO and forum logins not coecting

Both ubuntuforums and sso have the same email address. login.ubuntu.com displays

Sites you last authenticated to Date
http://pad.ubuntu.com/ 2016/06/24
http://ubuntuforums.org 2016/06/24
https://launchpad.net/ 2016/06/24
http://paste.ubuntu.com/ 2016/02/13
https://errors.ubuntu.com/ 2014/08/23
https://one.ubuntu.com/ 2014/07/21
http://ubuntuforums.org 2013/01/20
http://help.launchpad.net/ 2012/11/20
http://iso.qa.ubuntu.com/ 2012/08/17
https://edge.launchpad.net/ 2010/07/02

Attempting to log in to pad.ubuntu.com gives

OpenID Authentication Required
Authorization is required to access http://pad.ubuntu.com/
Either you have not been granted access to this resource or your entitlement has timed out. Please try again.
You are currently logged in as https://login.ubuntu.com/+id/...

With pad.ubuntu.com/+id/...

OpenID Identity URL for <useame corresponding to the email addr>

Purging all of ubuntu's cookies didn't help.

In the past I had UbuntuOne storage until it was discontinued.

The only useful info I'd prefer to keep are in Forums and Launchpad.
Hope this is enough info to get things sorted out.