The artefact outlives its meaning
An expired certificate is physically identical to a current one, which is precisely the problem.
A certificate states a date. Nothing happens on that date. Whether anyone acts depends on whether a person reads small print during a busy shift.
An expired certificate is physically identical to a current one, which is precisely the problem.
The plant manager assumes maintenance tracks it. Maintenance assumes quality does. Neither has a reason to look until an audit.
A document with a stamp is reproducible by anyone with a scanner, and this is a known trade in some sectors.
A drifting scale overcharges customers for a year, or a gauge misreads, and the connection back to a lapsed certificate is made much later.
Still at the design stage. What would help is a picture of how validity is tracked where you work, and what a missed expiry has cost.