Synthetic modern-knowledge corpora for updating talkie-lm/talkie-1930-13b-base
(pre-1931 model) with post-1930 knowledge, following the SDF methodology of
Believe It or Not (arXiv:2510.17941).
docs (96,689 rows; train + 100-row held-out test): sdf cluster documents
(types -> ideas -> docs pipeline; per-cluster fact lists; ~25% mid-century print
register) and bridge year-in-review digests (1931-2026 x 4 registers).
held_out_control=true clusters are… See the full description on the dataset page:
https://huggingface.co/datasets/cds-jb/talkie-timetravel-synth.
