[jdxcode]

I think it's a giveaway that it's human! A hyphen is incorrect punctuation.

[wongarsu]

According to British style guides an en-dash would be correct in that usage, and the difference between an en-dash (–) and a hyphen (-) is pretty small. Seems perfectly defensible to me unless you are publishing a book or academic journal

[dewey]

AI is trained on human output, so that's not really a good differentiator.