The Sburb beta doesn't have a human-readable code on it. This is to prevent getting server CDs via alchemizing. The code for a Pumpkin is far too illegible to ever decipher, meaning creating a pumpkin is out of the question, but this is no surprise, as there are no pumpkins in Homestuck and never will be, anyways. The Captcharoid Camera's code was not revealed, but as it's the result of a AND with the captchalogue card, it's one of 256 possible combinations of '0' characters and '1' characters.