How to Prove a Document Is Real
Learn how to prove a document is real by timestamping and protecting it with blockchain-based verification.
Pricing See How It WorksHow to Prove a Document Is Real
Prove Your Business Documents Are Real — Instantly. Stop chasing signatures, emails, and manual checks. VerifyFirst gives you a fast, secure way to prove that any document your company sends or receives is authentic, unaltered, and timestamped — without relying on anyone else. Perfect for contracts, invoices, NDAs, client records, and more. The first step to prove a document is real is hashing it via SHA-256 and anchoring to Bitcoin. VerifyFirst automates this process, ensuring privacy, immutability, and optional expiration.
- Generate a secure SHA-256 hash of your document locally—this proves a document is real without exposing its contents.
- Optional cover letter lets you declare authorship or context; hashed separately for enhanced proof.
- Anchor to Bitcoin—a tamper-proof bitcoin timestamp verifies document authenticity on-chain.
- Automate expirations by selecting a validity period in months; expire or revoke when needed.
- Verify your file proof through verifyfirst.com.au verification—it provides proof a document is real.
Verify Your Document Instantly
Already have a timestamped file? Upload it here to check authenticity and confirm when a document was anchored on-chain.
Drop file to verify
Tip: For full independence, use an OpenTimestamps client or Blockstream Explorer to see raw evidence. ots file provided on request
Who Relies on VerifyFirst?
These industries know exactly how to prove a document is real, using blockchain-backed document verification for critical records.
Artists & Creators
Protect digital art, prove originality, and embed ownership metadata with secure file timestamping.
Educational Institutions
Issue verifiable diplomas and certificates—teach students how to prove a document is real online.
Legal & Compliance
Create immutable proof for contracts—learn how to prove a document is real in court with tamper-proof file evidence.
Finance & Business
Timestamp financial statements and audits—provide “proof of document ownership online” for regulators.
Supply Chain
Verify shipment records—upload documents to prove you had them first, ensuring traceable authentication.
Insurance & Claims
Timestamp damage reports and policies—secure file timestamping for “proof of document ownership online.”
How It Works: Proving Your Document Is Real
Follow these steps to understand how to prove a document is real using SHA-256 hashing and a blockchain timestamp.
1. Upload & Declare
Submit your file—this begins the process to prove a document is real by generating its unique fingerprint.
2. Hash & Anchor
We compute a SHA-256 hash and anchor it on the Bitcoin blockchain, creating an immutable bitcoin timestamp.
3. Verify Anytime
Through the VerifyFirst tool you get on-demand authenticity, demonstrating how to prove a document is real forever.
Why Choose VerifyFirst?
Our streamlined platform shows exactly how to prove a document is real—combining centralized logic with decentralized proof.
Immutable Timestamps
Anchored to Bitcoin, our evidence is tamper-proof and publicly verifiable—showing how to prove a document is real.
Privacy by Design
We store only hashes—your document is removed when bitcoin anchoring takes place, so no one else can read its content.
Flexible Integration
Use our timestamp API or a white-label widget to embed “how to prove a document is real” within your own app.
Global Trust
Leverage Bitcoin’s security—customers worldwide understand how to prove a document is real using VerifyFirst verify tool.
Developer & API Integration
Embed “how to prove a document is real” into your platform with our robust timestamp and verification API.
Key Endpoints
- POST /api/timestamp — Upload document & cover letter for blockchain document verification
- GET /api/proof/{id} — Retrieve .ots proof file (proof of document ownership online)
- Webhooks for expiration & verification events (digital document certification)
- Custom expiration logic via query parameters (Secure file timestamping)
Get In Touch
Questions about digital document certification or how to prove a document is real? We’re here to help—reach out and we’ll respond within 24 hours.
Start Proving Your Document’s Authenticity
Ready to learn exactly how to prove a document is real? Timestamp and verify your files today.
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