The temporal companion to ichangzii/pit2022-10b
(the timeless foundation). This is dated news where lookahead bias lives — every article is prefixed
with its publish date so a model learns time-conditioned knowledge and you can probe
"what did it know as of date X". Cutoff ≤ 2022-12-31, GPT-2 tokenizer, uint16 shards.
Each document: Date: YYYY-MM-DD\n{title}\n{body} , EOS-separated, packed into… See the full description on the dataset page:
https://huggingface.co/datasets/ichangzii/pit2022-news.
