How Can You Protect Your Digital Works with a Timestamp? A timestamp is an electronic verification method that proves a digital file existed at a specific time. This system allows you to legally prove ownership of your works. Each work you upload via the Sahiplen platform is protected with an internationally compliant timestamp and provides you with a verifiable certificate. Timestamp Process Advantages of Timestamping Without wasting time on notary procedures, you can secure your works quickly and at low cost.