timestamp
Any picture that includes some set of numbers that represent time. This can include the time of day in or to provide context to the picture like on a clock, cell phone newspaper or just somewhere to tell the reader the time of day/month/year they are viewing, the time stamp provided by the artist for when the work was finished usually near or on their watermark/signature or representing a passage of time i.e. "eight hours later".
See also
Aliases: none