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OpenAI Launches Sign in with ChatGPT (Based on OpenID Connect)

AI

OpenAI Launches Sign in with ChatGPT (Based on OpenID Connect)

(Work in progress; last updated 2026-10-02 12:39 JST) On September 29, at DevDay 2026, OpenAI officially announced Sign in with ChatGPT (SIWC). I woul…

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Category: Identity

Identity

Internet Identity Timeline

As it seems that the number of people who know this history may soon start dwindling, I have begun compiling an Internet Identity timeline. I am including events that I personally…

OAuth

JWS and JWT Are Now RFCs!

It took a very long time[1], but JSON Web Signature (JWS) and JSON Web Token (JWT) have finally become Standards Track RFCs[2]. They are [RFC 7515] and [RFC 7519], respectively. Fo…