I've left that as an exercise for the reader, but only nostr:nprofile1qyt8wumn8ghj7etyv4hzumn0wd68ytnvv9hxgtcpzdmhxue69uhhqatjwpkx2urpvuhx2ue0qy2hwumn8ghj7un9d3shjtnyv9kh2uewd9hj7qghwaehxw309aex2mrp0yhxummnw3ezucnpdejz7qghwaehxw309aex2mrp0yh8qunfd4skctnwv46z7qg6waehxw309ac8junpd45kgtnxd9shg6npvchxxmmd9uqsuamnwvaz7tmwdaejumr0dshszxrhwden5te0dehhxarj9enx6apwwa5h5tnzd9az7qgkwaehxw309aex2mrp0yhxummnw3ezumn9wshszxthwden5te0wfjkccte9eekummjwsh8xmmrd9skctcqyqtnnkfhmjxqcums4gn4skfccyv7yhzp7mzyrfwnf3kns5p7xymw7teljxj has really come up with a real ontology. I think maybe nos.social has one for reporting too, but I don't know if it's published anywhere.
Using labels for verifications would definitely work, although I think maybe badges would be a better fit semantically.