# Page Not Found

The URL `case-studies/securing-the-oracle/what-changed` does not exist.

You might be looking for one of these pages:
- [Readings](https://polymarketguide.gitbook.io/polymarketguide/resolution/uma-oracle/readings.md)
- [Discord Channels](https://polymarketguide.gitbook.io/polymarketguide/resolution/the-resolution-process/discord-channels.md)
- [UMA Oracle](https://polymarketguide.gitbook.io/polymarketguide/resolution/uma-oracle.md)
- [Outcomes](https://polymarketguide.gitbook.io/polymarketguide/markets/structure/outcomes.md)
- [Oracle Interface](https://polymarketguide.gitbook.io/polymarketguide/resolution/the-resolution-process/oracle-interface.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://polymarketguide.gitbook.io/polymarketguide/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://polymarketguide.gitbook.io/polymarketguide/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/polymarketguide/resolution/uma-oracle/readings.md`)
- Use `Accept: text/markdown` header for content negotiation