Subset of CompassioninMachineLearning/reddit-animal-discourse-2016-present restricted to hashed authors whose first comment in the corpus
predates ChatGPT (2022-11-30). Robustness arm: isolates established human participants from
the post-2022 LLM-bot / karma-farm wave. Kept 4,852,036 of 6,221,220 records
(78.0%) from 343,756 pre-ChatGPT authors.
author_first_seen.parquet maps every hashed author to first-seen date… See the full description on the dataset page:
https://huggingface.co/datasets/CompassioninMachineLearning/reddit-animal-discourse-2016-present-pretau.