To secure any documentation of its created time and modified time, the Digital Time Stamping is a method to keep it safe and sound. Once when placed the Digital Time Stamp, no matter what happens or does, no one can change or modify the time that the recorded, which the owner provided; not even the document’s authorized owner can modify it. We obtain such integrity by binding the hash values of the data through cryptography with the time at the moment, which will accompany by source time.