What You Must Know About Timestamping

We use the time period “timestamped” to explain the act of recording the date and time of an occasion. A digital digital camera data the time and date {that a} picture is taken, and the time and date {that a} doc is saved and up to date are recorded by a pc. There could also be a time and date stamp on a social media publish. All of those are timestamps.

What’s Timestamping?

Timestamps are important to the method of maintaining monitor of when information is transmitted or created, or eliminated on-line. For essentially the most half, these paperwork are simply useful for us to entry. A timestamp, however, may be extra helpful in some conditions.

Your organization electronically kinds a authorized settlement or NDA with one other enterprise, and the 2 events are shielded from disclosing confidential info. After a while, it was found that the contractor who signed the NDA had launched details about the undertaking. The contractor claims that the NDA is invalid, claiming that info was communicated earlier than the NDA was signed. It’s important to know when the doc was signed.

In a authorized surroundings reminiscent of this, a easy timestamp is inadequate. It’s important in case your case hinges on proving that the signature’s timestamp is correct and that the doc was signed when it was claimed to have been signed.

As a result of it’s so simple to alter the date and time domestically on a machine, timestamps based mostly on system clocks are inadequate. As well as, a lot of on-line purposes allow you to alter the up to date, created, and most lately accessed dates of a doc or PDF. For instance, is the time stamp dependable?

When Are Timestamps Incessantly Used?

Digital Signatures

Compliance and auditability circumstances should be met earlier than an digital signature could also be thought-about legally binding. Recipients can examine the timestamp of an digital doc with a view to see if any adjustments have been made because it was signed. Utilizing timestamping, companies can defend their mental property and provides auditable authorized proof. Learn extra.

Digital Signatures

Digitally signing a doc with a trusted timestamp ensures Lengthy-Time period Validation (LTV) and provides non-repudiation or confidence relating to the appliance time of the signature. As a result of digital signature affirmation entails an preliminary content material inspection, the significance of a timestamp is diminished in comparison with digital signatures.

Lengthy-Time period Validation (LTV)

It doesn’t matter if the certificates remains to be legitimate, supplied the signature was legitimate when utilized. Including a trusted timestamp to your signature could also be essential, relying on the signing device. In these circumstances, the timestamp verifies the authenticity of the signature. If the appliance sees a canceled or outdated certificates, however the signature was given earlier than, it’s going to show the signature as genuine because it was beforehand. Most purposes require time stamps; nonetheless, the system clock may be altered.


The timestamp should be included within the signature to make sure that signatures don’t expire or are invalidated when the certificates expires or is revoked by the end-user. A timestamp (and LTV) ensures that the signature could also be verified as a result of the signing certificates was legitimate in the mean time of software.