# Release metadata

[Croissant metadata](croissant.json) · [Validation summary](croissant_validation.json)

The Croissant file describes the complete v1.0 HF snapshot, including all main archives, typed entry/metric tables, native scientific file collections, creator attribution and Responsible AI metadata. Its data URLs are pinned to a repository revision.

- `splits/`: fixed training, test and 618-target benchmark EMD lists.
- `source_accessions.csv` and `Align_cif.json`: deposited accessions, source metadata and aligned-CIF availability.
- `train/` and `test/`: subset metadata bundles and per-file inventories.
- `catalog/`: searchable entry and archive indexes plus the EMD-to-archive lookup.
- `checksums/`: compressed archive hashes. Paths in SHA256SUMS are relative to the repository root.
- `resources.sha256`: per-file hashes for the extracted benchmark resource package; run this file from inside CryoAtlas_v1.0_resources/ after extraction.

[Download guide](../docs/downloads.md) · [Field definitions](../docs/data_dictionary.md)