A hardware, firmware, andor software facility for providing information relevant to rendered documents is described. The features in the pattern contain information relating to the die, such as a unique identifier that includes a wafer identification used to fabricate the die and a product chip location for the die on a wafer. The transaction can then be completed by the purchaser providing an additional sum from another source, such as a credit card. The development lead determines whether the change request is technically feasible and if there are any technical issues. The second shock absorbing means is for buffering the opening and the closing of the stopper together with the first shock absorbing means.