Protect your organization from document fraud and disputed contracts. QueryTel Cyber Notary generates immutable, mathematically irrefutable proofs of existence and integrity by anchoring SHA-256 document fingerprints directly to distributed blockchain ledgers.
Your private file content is never transmitted or exposed. Only a mathematical fingerprint is calculated and permanently anchored.
A unique SHA-256 cryptographic hash (fingerprint) is generated locally on your device. Changing even a single comma in a 500-page document changes the entire hash completely.
The cryptographic hash is bundled with a certified UTC atomic timestamp and written irreversibly into a public blockchain block. It cannot be altered by any party, including QueryTel.
Anyone, including auditors, clients, or judges, can verify the file's authenticity and creation timestamp using the notarization certificate or QueryTel's public verifier tool.
Non-disclosure agreements, mergers & acquisition contracts, and partnership agreements with irrefutable timestamp proofs.
Source code repositories, proprietary formulas, architectural blueprints, and design patents proving date of creation.
Clinical trial data integrity, chain of custody logs, and electronic medical record modification audits.
Bills of lading, customs clearance manifests, cold chain temperature records, and warehouse audit trails.
Paste any SHA-256 transaction hash to simulate instant blockchain ledger verification.
Integrate blockchain document notarization via REST API or deploy the intuitive web e-signature console.