Timestamp

Timestamp can also refer to:

• A time code (in networking or video technology)
• Unix time, the number of seconds since 00:00:00 UTC on January 1, 1970
• ICMP Timestamp
• A digitally signed timestamp whose signer vouches for the existence of the signed document or content at the time given as part of the digital signature
• The modification or access time of a file or directory in a computer file system or database
• A proof of authenticity of a person (if a picture is timestamped it proves the image isn't a download) on sites such as 4chan