Document Verification
Enter a document ID or upload a signed PDF to verify authenticity and integrity.
Click to select or drag and drop your signed PDF
The file is hashed in your browser, nothing is uploaded to our servers
What this checks
- The document has not been altered since signing. Every byte matches the sealed original.
- Who signed, when, and from where, recorded in a tamper-evident audit trail.
- Independent proof from trusted timestamps and public blockchain anchors that anyone can check.