No clue what Amazon is using. The one I have access to gave a sane answer.

GPT-4 gives a correct answer to the question.

I was reading an old book about chromatography in laboratory and they exactly describe this method to determine the amount of substance.

I don’t know about web environment integrity or where this will lead but I remember the time trusted computing and TPMs came up. At this time, people were really scared that this is the end of Linux (on PC). Today, I use secure boot (with my MOK) on my consumer distro just fine.