Add text-corpus-v1: 3,266,765 train / 362,973 val chunks — classics, synthetic dialogues, science explainers, science papers

Add text-corpus-v1: 2,231,948 train / 247,994 val chunks — classics, synthetic dialogues, science explainers, science papers

Add text-corpus-v1: 1,221,689 train / 135,743 val chunks — classics, synthetic dialogues, science explainers, science papers

Merge high-quality biographies, short stories, and popular science: +0 rows, total 1,237,000

Remove stale parquet shard data/train-00000-of-00001.parquet

Merge harmonicmlx cleaned corpus into text-corpus-v1: +120,298 rows, total 1,213,274

Merge harmonic training corpus into text-corpus-v1: +0 rows, total 1,092,976

Merge synth datasets: 14,444 new rows from synthetic-salon-corpus, synth-salon-2, llm-reasoning-corpus, polymath-reasoning-v1, historic-chat-cleaned — total 468,162 (421,346 train / 46,816 val)

Add text-corpus-v1: 408,347 train / 45,371 val chunks — classics, synthetic dialogues, science explainers, science papers

Merge 14,446 rows from 5 synth datasets (salon, synth-salon-2, llm-reasoning, polymath-reasoning, historic-chat) — total 234,793 records (211,314 train / 23,479 val)

Add text-corpus-v1: 198,313 train / 22,034 val chunks — classics, synthetic dialogues, science explainers, science papers