I've been running "Hostr" the past couple of weeks as I tweak it. Pretty happy with it so far.
Hostr is a bidirectional bridge between the Hive blockchain and Nostr. What you post on one is automatically cross-posted to the other. For Nostr users, this provides an immutable, chronological backup to your notes with a persistent URL.
For info (and a comparison of URLs) look at...
Nostr link: https://njump.me/naddr1qvzqqqr4gupzqqzmcn0yrn7ttq8hrjkk46ysn2tk26rr8f8k4y7xkl74hlh3rcdzqy88wumn8ghj7mn0wvhxcmmv9uq3wamnwvaz7tmjv4kxz7fwwpexjmtpdshxuet59uqp272fw96ksttjx4hh5nz0256kxs2nff0ny6qspkagr