Its all good, I get it, you have no reason to trust hardly anyone online, and that's understandable. I picked the archive and tinyurl because they're amongst the oldest, longest standing sites on the internet, so while other sites come and go, the things I archive are about as close to permanent as can be these days.
As easy as it is for me to copy/paste the whole link, it's actually even easier for others to just type in preview.tinyurl.com
I figured people might actually know how to investigate shortlinks themselves, it's not difficult.