Can i re restore IOS 5.1.1 on my new iPad if i didnt not save SHSH blobs?

I currently have a iPad at 5.1.1 (3rd Generation) i want to unjailbreak it and out it back to 5.1.1 is this possible at this point
>>> Can i re restore IOS 5.1.1 on my new iPad if i didnt not save SHSH blobs?