nostr:npub1guh5grefa7vkay4ps6udxg8lrqxg2kgr3qh9n4gduxut64nfxq0q9y6hjy is the algorithm https://image.nostr.build/7f47934475b16be754f12bc9e1b3d473f1481edd514ce2b0c84dee62c629fa6e.jpg