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OTRUST - Blockchain Timestamp

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Item media 2 (screenshot) for OTRUST - Blockchain Timestamp
Item media 1 (screenshot) for OTRUST - Blockchain Timestamp
Item media 2 (screenshot) for OTRUST - Blockchain Timestamp
Item media 1 (screenshot) for OTRUST - Blockchain Timestamp
Item media 1 (screenshot) for OTRUST - Blockchain Timestamp
Item media 2 (screenshot) for OTRUST - Blockchain Timestamp

Overview

Timestamp any webpage content on blockchain via OpenTimestamps

Prove When Content Existed OTRUST lets you create cryptographic timestamps for any webpage, anchored to the blockchain via OpenTimestamps. How it works: 1. Click the OTRUST icon on any webpage 2. The page content is hashed locally (never uploaded) 3. Your timestamp is anchored to the blockchain 4. Download proof that survives forever Features: ✓ One-click timestamping ✓ Privacy-first: content never leaves your browser ✓ Blockchain-anchored proofs via OpenTimestamps ✓ View your timestamp history ✓ Verify existing timestamps ✓ No account required ✓ 100% free and open source Privacy: - Page content is hashed locally in your browser - Only the SHA-256 hash is sent to the server - No tracking, no accounts, no personal data - Open source: https://github.com/otrust-eu

Details

  • Version
    1.0.0
  • Updated
    January 3, 2026
  • Size
    240KiB
  • Languages
    English
  • Developer
    Website
    Email
    kris@otrust.eu
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization
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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