Indeed the claim system was stuck by the bitcoind server.
Should be working just fine now.
I also added a bitcoind status message for future reference and setup a notification system.
Thanks for your patience,
Ukyo
Error: The signature provided did not work. Please try again.
Don't know what to do !

Bitcoind again manually confirmed that the signature you attempted to use did not validate for your address.
Please be sure to follow the instructions and copy and paste the requested phrase.