Clean up auto-generated description (strip HTML whitespace artifacts)

Fix repo contentUrl: drop /tree/main suffix for git+https clone

Switch license from CC BY 4.0 to CC BY-NC 4.0

Align Croissant RAI fields with paper Responsible AI section

Drop redundant split tracking (single test split per config)

Point Croissant distribution at main branch (TSVs) instead of parquet conversion branch

Change license from CC BY-NC 4.0 to CC BY 4.0

Add SUDOKN (Proto-OKN Theme 1, NSF) to source datasets

Add RAI metadata (rai: + prov: extensions) per NeurIPS 2026 D&B requirements

Refresh croissant.json from auto-generated metadata

Add YAML frontmatter for dataset card metadata

Update dataset card: add overview, splits, license, croissant note

Delete gitattributes

add data

initial commit