nostr:npub1su4t3c2h2fl2ws6hfcnn5r7jdn87qvhvaafe5uv3hcwygxz3rjssf6a0dw They changed the account profile picture, which removes a check until it can be re-verified. 

Source for this? Direct from Twitter themselves, 10 December 2022. 

https://twitter.com/X/status/1601692774486528000

https://files.mastodon.social/media_attachments/files/111/072/586/976/570/821/original/671a197467ae5f2f.png