timestamp
A digital series of photographs, each with a time signature, captured images of the loading process and showed when a security seal was activated.
A data dump with time signatures for the relevant images was what I needed.

SMART Vocabulary: related words and phrases

Describing when something happened or will happen
at
at short noticeidiom
be
coincident
coincidently
demand
executory
for
hundred
immediately
longitudinally
movable feast
notice
on demandidiom
one
possible
somewhere along the lineidiom
time
up
zero hour

time signature | American Dictionary

time signature
noun[ C ]
us/ˈtɑɪm ˌsɪɡ·nə·tʃər, -nəˌtʃʊr/
music
two numbers in written music that show how many beats are in a bar (= part of a piece of music) and which note gets one beat:
If the time signature is 3/4, there are three beats to a measure and a quarter note gets one beat.

Examples of time signature

time signature
The synchronisation of timesignature to angular rotation is only one possible visualisation option (this was not used in the prototype system).
Historically, in mensural notation, this has been represented as a closed circle for a timesignature.
This particular radiation is detectable because of its timesignature.
In our implementation, while the horizontal movement is important for timesignature recognition, the vertical motion alone indicates the tempo.
When the timesignature changes while the piano continues playing, the tempo cues are given in another way.
Finally, timesignature refers both to the rapidity of the transfer and, more generally, to the time dimension associated with different forms of capital.
The follower is given musical hints about the piece before the playing starts; expected tempo, timesignature, dynamics and nuances.
They even tried to discover a timesignature and to force what they heard into binary or ternary form.
Is there a consistent timesignature?
A timesignature that conveys information about the way the piece actually sounds is thus chosen.
From
Wikipedia