podman-build/docs/source/markdown/options/rewrite-timestamp.md

####> This option file is used in: ####> podman build, farm build ####> If file is edited, make sure the changes ####> are applicable to all of those.

--rewrite-timestamp

When generating new layers for the image, ensure that no newly added content bears a timestamp later than the value used by the --source-date-epoch flag, if one was provided, by replacing any timestamps which are later than that value, with that value.