The rest is silly, because you can emulate the whole writing process by combining backtracking https://arxiv.org/abs/2306.05426 and a rewriting/rewording loop.
With not much effort we can make LLM output look incredibly painstaking.
Yet the timestamping service which I trust the most, is the Blockchain-based one. https://opentimestamps.org/
The rest is silly, because you can emulate the whole writing process by combining backtracking https://arxiv.org/abs/2306.05426 and a rewriting/rewording loop.
With not much effort we can make LLM output look incredibly painstaking.