but can the code be signed/verified ?
The powers that be at the Google Web Store approved my Nostr GitHub Integration Chrome extension - now you can share your repo announcements, code snippets or permalinks directly from GitHub:
https://chromewebstore.google.com/detail/fagibbjlnnmfcgogkobglpcgpcllcjek
Discussion
When you publish kind 1337 code snippets, the event is signed with whatever keys you have set in the browser signer extension if that's what you mean?