A method for measuring a gramload corresponding to a readwrite head, where the head is an inner head of a plurality of heads in a head stack assembly, involves a measurement instrument having a plurality of cam-rods for systematically placing each of various heads in a preloaded state in order to measure the respective gramload of the heads. The method comprises possessing at least one configuration parameter, and transmitting a message to the network, wherein the message includes information for verifying the authenticity of the at least one configuration parameter to the network, and wherein the information for verifying the authenticity of the at least one configuration parameter is calculated using an integrity key. Loan identification information is received from the user and foreclosure bid information relating to the loan is retrieved.