Some event that says: this = this ?

(Could be useful in general btw, now that I think about it. For linking npubs etc...) 

 Someone will build an asset index. It will get popular. People will complain they’re acting as a central authority. Round and round we go. 

 at the moment, no
blossom is a simple protocol that stores files and makes them available by their content hash
it doesn't have any knowledge about the content of the files, like conversion of resolutions and formats 

 That would be part of a corresponding nostr video event. Unfortunately the current NIP only has one format as far as I understand.

https://github.com/nostr-protocol/nips/blob/master/71.md