# Page Not Found

The URL `open-mev/what-is-a-validator` does not exist.

You might be looking for one of these pages:
- [What is Toby?](https://learn.toby.foundation/overview/what-is-toby.md)
- [For Validators](https://learn.toby.foundation/use-cases/for-validators.md)
- [Toby vs Jito vs Sanctum](https://learn.toby.foundation/overview/toby-vs-jito-vs-sanctum.md)
- [OpenMEV: Toby's Solution](https://learn.toby.foundation/overview/open-mev-tobys-solution.md)
- [The Solana MEV Problem](https://learn.toby.foundation/overview/the-solana-mev-problem.md)

## How to find the correct page

1. **Ask a question**: /sitemap.md?ask=<question> - Complete answer with sources
2. **Browse the full index**: [/sitemap.md](https://learn.toby.foundation/sitemap.md) - Complete documentation index
3. **View the full content**: [/llms-full.txt](https://learn.toby.foundation/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/overview/what-is-toby.md`)
- Use `Accept: text/markdown` header for content negotiation