# Tagged Sinatra

> Ryan Alyn Porter: CTO and applied-AI builder in Miami Beach. Systems that improve themselves, and the safeguards that keep them honest.

- [Authorizing Users Between Web Sites with Open Sesame](https://www.ryanalynporter.com/2009/06/25/authorizing-users-between-web-sites-with-open-sesame/index.md): Use a cryptographic hash to pass authenticated traffic between two web sites. (2009-06-25)