Title text:
You say no human would reply to a forum thread about Tom Bombadil by writing and editing hundreds of words of text, complete with formatting, fancy punctuation, and two separate uses of the word 'delve'. Unfortunately for both of us, you are wrong.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3126/
The method I (just now) thought up using to signal humanity was responding to accusations of being an LLM with a "fuck you". The combination of vulgar language and defiance of the sycophantic tendencies of LLMs feels to me like a pretty effective proof of humanity, at least for now.