After some discussion, we will allow people who can provide a personalized picture of the back of their box (clearly visible barcode) and with some form of personal reference on the picture.
For further info, please contact support[at]larian.com
I have already contacted larian support via email, but wanted to publicly commend this decision. I understand it would have been just as easy to go the other way with this. Once again, thank you for understanding our plight. I certainly appreciate the thoughtfulness behind it.