This seems like a (potential) solution looking for a nail-shaped problem. Yes, there is a huge problem with AI content flooding the field, and being able to identify/exclude it would be nice (for a variety of purposes) However, the issue isn't that content was "AI generated"; as long as the content is correct , and is what the user was looking for, they don't really care. The issue is content that was generated en-ma…
It says in the first paragraph it’s for crawlers and bots. How many humans are inspecting the headers of every page they casually browse? An immediate problem that could potentially be addressed by this is the “AI training on AI content” loop.
The current approach is that the content served is the same for humans and agents (ie, a site serves consistent content regardless of the client), so who a specific header is "meant for" is a moot point here.