Docker is cool and portable, but distributing Dockerfiles comes at a disadvantage: The demands on the build environment are high. Distributing Docker images solves this, but building them for an architecture other than your CPU architecture seems complicated. Here is a simple solution.
When I tell people about timestamping, they often react with, „Ah, yes, that Blockchain thing“. However, timestamping is as old as civilisation and has some interesting properties it gains from non-Blockchain applications. So let’s go back a few millenia first.
Timestamping documents is the basis for many forms of trust and evidence. As such, it is a building block for contracts and agreements, and dispute resolution.