See how organizations use DocuStamper to stamp, verify, and protect their documents with cryptographic proof of authenticity.
DocuStamper goes beyond simple stamps with enterprise-grade features for document integrity, legal compliance, and complete audit trails.
Record document hash on Polygon blockchain for immutable, legally-defensible proof that your document existed at a specific moment.
Create stamps with built-in expiration dates. Recipients scan the QR code to see real-time validity status.
Complete, tamper-proof audit trail showing every action on your document from creation to current state.
Every stamp includes SHA-512 verification and a QR code for instant authenticity checks.
Automatic timestamps that can't be forged or backdated
"APPROVED", "REJECTED", "PENDING" with approver details
v1, v2, DRAFT, FINAL for document control
"Approved by Finance", "Reviewed by Legal"
Show document fingerprint for tamper detection
Instant verification by scanning with any phone
Stamp invoices, receipts, and financial documents with audit-ready verification
Stamp invoices with "PAID", "APPROVED", or "PENDING" status with timestamps for clear audit trails.
Add department approval stamps with approver name, date, and verification QR code.
Stamp audit documents with timestamps and hash verification for regulatory compliance.
Certify documents with cryptographic proof of authenticity and timestamp
Add certification stamps with timestamps, hash verification, and QR codes for instant verification.
Prove when a document existed with cryptographic timestamps that can't be backdated.
Recipients can verify documents haven't been altered since stamping via QR code scan.
Stamp drawings, RFIs, and project documents with approval workflows
Stamp architectural and engineering drawings with approval status, reviewer name, and date.
Stamp RFIs with response status, answering party, and date for clear project records.
Track document versions with revision stamps showing version number and date.
Stamp offer letters, policies, and HR documents with acknowledgment tracking
Stamp offer letters with official company seal, date issued, and verification QR.
Track employee acknowledgments with dated stamps and verification records.
Issue training completion certificates with verification codes and expiration dates.
Maintain controlled documents with version stamps and audit trails
Stamp controlled documents with version numbers, effective dates, and control numbers.
Provide auditors with verifiable document history and tamper-proof records.
Stamp inspection reports, test results, and quality records with QA approval.
Stamp shipping documents with origin verification and customs compliance
Stamp bills of lading, packing lists, and shipping documents with date and origin.
Add origin stamps and verification codes for customs and trade compliance.
Stamp delivery documents with received date, condition, and recipient verification.
Upload your PDF and add stamps. We generate a SHA-512 hash of the stamped document.
The stamped document includes a QR code linking to the verification page.
Recipients scan the QR code or upload the document to verify it hasn't been tampered with.
Start stamping and verifying documents today. No credit card required.