timestamp

or time stamp

[ tahym-stamp ]

noun

1. a digital or printed record of the time that something happened:

   The timestamp showed that the blog post had been made at 8:01 a.m.

2. a device for stamping the date and time of day that letters, packages, etc., are received or mailed.

verb (used with object)

1. the act or process of recording, digitally or in print, the time that something happened:

   The program timestamps each electronic signature, so we always know exactly when the documents were signed.

Word History and Origins

Origin of timestamp¹

First recorded in 1890–95

Example Sentences

When we examined them, we found that the timestamp information was consistent with what we were told.

From BBC

Based on the timestamp of his post, Davidai appeared to be on campus at the same time as me, and he came and left without any noticeable confrontation.

From Slate

"We overcame this by combining our quantum dots with a very fast and precise detection system. We can basically take a timestamp of what the entangled state looks like at each point during the oscillations, and that's where we have the perfect entanglement."

From Science Daily

It also includes a timestamp, latitude, longitude, altitude, course over ground and the number of communicating satellites.

From Science Daily

The C-SPAN page prepared to broadcast his remarks changed its timestamp to noon, then to 12:30 p.m.

From Slate