You can however throw the plot stamp out and instead use a block that has the information you need in it, in the format you want. The block can be updated programatically when you save, plot, feel like it, however you want to do it. I wrote a program that does this which I would offer you except that I wrote it for a company that I no longer work for and as I was on the clock for at least a lot of the time, they own the rights. I can however offer assistance to you for doing one if you want ot go that route.