That's mentioned at the bottom of the README.

Rather, it's the version without a dependency on PERL.

A different but more powerful method of ensuring reproducibility is more rigorous compilation using formally verifiable proofs.

That’s what https://pi2.network/ does. It uses K-Framework, which is imo very underrated/deserves more attention as a long term way of solving this kind of problem.

I'm not confident that I understand what you're asking for, but couldn't you just sed off the timestamp from every line? Or for a more extreme example, I have occasionally used ... tr, I think? to completely remove all numbers from logs in order to aggregate error messages without worrying about the fact that they kept including irrelevant changing numbers (something like tail -5000 logfile | tr -d [0-9] | sort | uniq -c | sort -n or so).

You could just trap time systems calls to always return zero via LD_PRELOAD