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Introducing x401 — proof of identity for AI agents. HTTP shipped with authentication. It never shipped with proof. x401 completes the challenge layer of the web: a real HTTP 401 that any human or agent can satisfy with verifiable identity. Read the spec and explore the demos → https://x401.org #x401 #AI #agents #identity #verifiablecredentials #agenticweb

Proof of identity for AI agents
Proof of identity for AI agentsAnnouncement · 1:1
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Identity for the agentic internet
Identity for the agentic internetAnnouncement · 1:1
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x401 lockup — dark
x401 lockup — darkLogo lockup · 1:1
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x401 lockup — lime
x401 lockup — limeLogo lockup · 1:1
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x401 mark — spec frame
x401 mark — spec frameBrand mark · 1:1
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