We can adapt one of theirs, how about “Tamp the dirt down” by Elvis Costello?

Sure enough. Thanks, the source is reputable enough, but I should have checked it anyway.

Citation?

Have you considered GrapheneOS? Not an open source phone as you say, but it is at least open source software, running on hardware with published specs. It should be capable of everything you want.

The Aeropress should be fine. The Hario grinder is not good, but produces an OK grind, it just takes forever. Since you want to taste the unique coffee, go middle of the range on recipe: water temperature, 200F/93C, your choice of 9g for a half cup seems spot on. Personally, I’d do pour over instead, but since you have one shot, go with the technique you are most familiar with.

I’d be really interested to know if the stuff is any good.