Thanks for sharing, that makes perfect sense!

Have you given any thought to adoption yet? It seems like a bit of a chicken and egg problem, because you need both the servers and the clients to adopt the system for it to benefit from network effects.

What would it take for a naive user (like me) who has a VPS to start using this system?

Do you have any thoughts on the scalability of this solution given the demand for blockspace?

Would it make sense to publish a checksum of multiple claims on-chain? What if two npubs try to make the same claim in the same block?