Vertifile

Document Management & eSignature Tools

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This system creates tamper-evident, cryptographically sealed document files that incorporate advanced security features such as SHA-256 content binding, dual Ed25519 digital signatures, and polygon anchoring, ensuring the integrity and authenticity of digital records. It is designed to address challenges related to document forgery, verification, and trust in compliance workflows across enterprise, healthcare, education, and finance sectors, providing users with a self-contained, offline-verifiable, and tamper-proof evidence solution suitable for legal, audit, and regulatory purposes.

Vertifile can be found in Document Management & eSignature Tools categories.

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Vertifile Main Features

• IANA registration
  The technology is officially registered with IANA, ensuring it follows global standards.
• Polygon anchoring
  The proof is anchored on the Polygon blockchain, adding extra trust and security.
• Self-contained file
  A .pvf file contains the document, its digital proof, and verification method all in one file.
• Easy and quick sealing
  Sealing a document takes just seconds with a simple process of scan, lock, and seal.
• Tamper-evident sealing
  Documents are sealed with technology that shows if they have been changed or tampered with.
• Proof that you can check
  The file carries its own verification proof, not just a promise, so you can trust it.
• Dual-signing with Ed25519
  The document is signed twice with Ed25519 for extra security and to verify the sender's identity.
• Content binding with SHA-256
  The file uses SHA-256 to securely connect the content with its proof, making it hard to change without detection.
• Built for legal and audit use
  The technology is designed for legal, certification, and audit purposes.
• Verification without a server
  Anyone can verify the document offline, without needing to connect to a server.
• Multiple signatures for integrity
  The document uses two methods—HMAC-SHA256 and Ed25519—to verify content and sender.

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Technologies Used

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