Verify Document Authenticity

Confirm the provenance of your scholarly and professional documents through cryptographic verification.

Upload the signed manifest and source document to verify document integrity, attestation chain, and signer status. This process confirms whether you have the exact same version a researcher or institution signed.

Upload Manifest

The JSON file containing the cryptographic signatures and attestation chain

Drag JSON file here or click to select

Or browse your files

Standard JSON Manifest Files (.json)

Upload Source Document

The original file (PDF, Word, text, image, spreadsheet, etc.)

Drag document here or click to select

Or browse your files

PDF, DOCX, XLSX, TXT, PNG, JPG, and more

Files Processed Locally

Your source file never leaves your device. Only the computed hash is sent for verification, ensuring full data sovereignty and absolute privacy.

Verification takes 3-5 seconds