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AuthSig

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Item media 1 (screenshot) for AuthSig
Item media 1 (screenshot) for AuthSig
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Overview

Sign and verify web content with cryptographic signatures. Prove authenticity with blockchain. Combat misinformation.

You can’t tell if content is AI anymore — but you can see who’s willing to stand behind it. AuthSig lets creators sign what they publish and readers verify who authored it and when. Once signed, content can’t be secretly changed or disowned. The proof is public, tamper-resistant, and verifiable — all directly in your browser.

Details

  • Version
    1.0.1
  • Updated
    January 24, 2026
  • Offered by
    Project Babbage
  • Size
    162KiB
  • Languages
    English
  • Developer
    Peer-to-peer Privacy Systems Research, LLC
    711 E MAIN ST Unit 14 Medford, OR 97504-7139 US
    Email
    brayden@projectbabbage.com
    Phone
    +1 503-437-1773
  • Trader
    This developer has identified itself as a trader per the definition from the European Union and committed to only offer products or services that comply with EU laws.
  • D-U-N-S
    128597472

Privacy

The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, visit the developer's support site

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