Wiktionary
timestamping
vb. (present participle of timestamp English)
Wikipedia
Timestamping (computing)
In computing timestamping refers to the use of an electronic timestamp to provide a temporal order among a set of events.
Timestamping techniques are used in a variety of computing fields, from network management and computer security to concurrency control. For instance, a heartbeat network uses timestamping to monitor the nodes on a high availability computer cluster.