> For the complete documentation index, see [llms.txt](https://docs.data.ca.gov/california-open-data-publishers-handbook/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.data.ca.gov/california-open-data-publishers-handbook/reference.md).

# Reference

- [The What and Why of Open Data](https://docs.data.ca.gov/california-open-data-publishers-handbook/reference/the-what-and-why-of-open-data.md)
- [Open Data Portals Managed by State Entities](https://docs.data.ca.gov/california-open-data-publishers-handbook/reference/jason-add-reference-to-orgs-that-have-different-publishing.md)
- [Data Preparation and Formatting Guidance](https://docs.data.ca.gov/california-open-data-publishers-handbook/reference/data-preparation-guidance.md)
- [Column Headers and Order](https://docs.data.ca.gov/california-open-data-publishers-handbook/reference/data-preparation-guidance/column-headers-and-order.md)
- [Date and Time](https://docs.data.ca.gov/california-open-data-publishers-handbook/reference/data-preparation-guidance/date-and-time.md)
- [Text](https://docs.data.ca.gov/california-open-data-publishers-handbook/reference/data-preparation-guidance/text.md)
- [Numeric](https://docs.data.ca.gov/california-open-data-publishers-handbook/reference/data-preparation-guidance/numeric.md)
- [Addresses](https://docs.data.ca.gov/california-open-data-publishers-handbook/reference/data-preparation-guidance/addresses.md)
- [Metadata Field Definitions](https://docs.data.ca.gov/california-open-data-publishers-handbook/reference/metadata-field-definitions.md)
- [Data Dictionary: What to Include](https://docs.data.ca.gov/california-open-data-publishers-handbook/reference/data-dictionary-what-to-include.md)
- [Detailed Steps for Uploading Data to the Portal](https://docs.data.ca.gov/california-open-data-publishers-handbook/reference/detailed-steps-for-uploading-data-to-the-portal.md)
- [Email Templates](https://docs.data.ca.gov/california-open-data-publishers-handbook/reference/templates.md)
- [Glossary](https://docs.data.ca.gov/california-open-data-publishers-handbook/reference/glossary.md)
- [Acknowledgements](https://docs.data.ca.gov/california-open-data-publishers-handbook/reference/acknowledgements.md)
- [Version and Changelog](https://docs.data.ca.gov/california-open-data-publishers-handbook/reference/version-and-changelog.md)