since Trilobyte did his last update to his thread at viewtopic.php?f=326&t=63729#p961401.
So you may want to check the http://tickets2.burningman.com/info.php?i=4188 list directly.
Trilobyte's wrote:To check a confirmation code easily, use the find function in your web browser and type in the number you're checking on. Tickets listing these numbers are not valid for entry to Burning Man 2013 and will not work when scanned at the front gate of the event. Tickets can be canceled for various reasons, including (but not limited to) being reported as stolen and being sold at a price inflated above face value. Please note that just because a ticket number does not appear on this list does not guarantee its authenticity & validity.