# Page Not Found

The URL `core-concepts/did-decentralized-identifiers` does not exist.

You might be looking for one of these pages:
- [Identifiers (DIDs)](https://docs.oceanprotocol.com/developers/identifiers.md)
- [What data is valuable?](https://docs.oceanprotocol.com/data-scientists/data-engineers.md)
- [Data Value-Creation Loop](https://docs.oceanprotocol.com/data-scientists/the-data-value-creation-loop.md)
- [Contracts](https://docs.oceanprotocol.com/developers/contracts.md)
- [Obsolete DDO Specification](https://docs.oceanprotocol.com/developers/ddo-specification.md)

## How to find the correct page

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

## Tips for requesting documentation

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