https://www.youtube.com/watch?v=bIWIstLQXUk This is a txt file commonly found on dark net sites, where you can access it through pretendthereissomedarkneturlhere.onion/canary.txt. Based off the Mine Canary
Use case
The purpose of canary.txt was to signal to other users that this website is operating under their own control. It has not been siezed and used as a honeypot by federal agents.
If the canary text file has not been updated, or it is removed entirely, then that is the distress signal seized by feds or competition. do not go