In Amethyst, tap on the three dots, share, and it'll spit a link like this for you. You can also download the video in the app.

https://snort.social/e/nevent1qqspdr5ep9k09rl4tkjft7d9xx30x0e05tlcrkutv5md7mguhkjzkhspzamhxue69uhhyetvv9ujuurvv438xarj9e3k7mgzyrrlayhcp3gkcrz5k90g6ft2cpegzqmdjd82rleelvxd3g8avamnvqcyqqqqqqgvcgtl5