Here is the Wayback Machine archive from April of their identity verification help page: https://web.archive.org/web/20260415064244/https://support.c...
Here's a random Reddit thread from 2 months ago about them rolling out identity verification: https://www.reddit.com/r/ClaudeAI/comments/1smr9vs/claude_is...
Here is one random example thread of someone who got caught in identity verification with multiple follow-on comments from people who encountered the same problem, also 2 months old: https://www.reddit.com/r/ClaudeCode/comments/1sx25kd/buyer_b...