Verify Your File Integrity
Leverage Indisputable Cryptographic Evidence
Use your Record ID and Ownership Key to verify the existence, integrity, and origin of any registered file.
The unique Record ID listed on your registration receipt.
Provide your Ownership Key to authenticate proof of registration.
How It Works
Two Flexible Verification Modes
Choose the right mode for your needs — from simple integrity checks to comprehensive cryptographic proof of ownership.
Integrity Verification
Anyone can match a file's fingerprint against the VerixID ledger — without exposing the identity of the registrant.
Record ID
Required
Ownership Key
Leave Blank
💡 Ideal for proving to third parties that a document is registered, untampered, and authentic.
Proof of Ownership
By including your Ownership Key, you mathematically prove that you are the original registrant — rather than someone who merely holds the Record ID.
Record ID
Required
Ownership Key
Enter to authenticate ownership
💡 Essential for IP disputes, legal proceedings, and forensic audits.
VerixID Receipt
Where to find your Record ID & Ownership Key?
Every successful file registration generates a cryptographic receipt containing these credentials.
c8893298 b48a0b5d 92ed3c15 be45dffd …
vx202603830c2a20
fd84cbc8 80725b0c 719c13c0 7a8afc42 …
Hash (SHA-256)
Your file's unique mathematical fingerprint. Changing even a single character in the source file completely alters this value.
Record ID
The public identifier for the record. Structured as vx + date + 8 hex characters. Safe to share publicly.
Ownership Key
A 64-character secret key providing cryptographic proof of origin. Keep it secure — it cannot be recovered if lost.
Your VerixID receipt serves as permanent proof of existence. Keep it safely stored. Learn more about how to prove digital document ownership .
Understanding Results
What do verification results mean?
Each status reflects a specific state of your registered record. To learn how this evidence is generated, explore how VerixID works.
File fingerprint is registered on VerixID.
This record can be publicly verified anytime.
Providing the Ownership Key authenticates the original registrant.
Instant Authentication Proof
Certificate of Authenticity (COA)
Upon successful verification, you can generate an official Certificate of Authenticity (COA). This document serves as verifiable legal and technical proof of existence through deterministic mathematical functions. Explore COA services.
For Developers & AI Agents
Automated Verification — REST API • MCP Server
Record ID verification doesn't have to be manual. Integrate automated file integrity checks directly into your workflows, backend pipelines, or AI agents.
REST API
Validate Record IDs programmatically. Perfect for automated document QA, e-signature workflow validation, or document management systems (DMS) requiring instant authenticity checks.
curl https://api.verixid.com/verify?id=...
MCP Server
Equip your AI agents with native verification tools — enabling autonomous record validation before approving invoices or executing workflows. Compatible with Claude, ChatGPT, and Cursor.
mcp.verixid.com
FAQ
Frequently Asked Questions
- No. Public verification is entirely free and requires no registration or account. Anyone with a Record ID can verify a file instantly, including third parties, auditors, clients, or legal authorities.
- Yes. Your Ownership Key is transmitted over an encrypted HTTPS connection. Server-side, the key is processed transiently strictly to validate against stored cryptographic hashes — it is never stored, logged, or recoverable. VerixID retains zero custody of your secrets.
- Once a verification succeeds, you can share the direct verification link or click the share button. The generated link embeds the Record ID so recipients can inspect the status immediately in one click.
- There is no way to recover a lost Ownership Key — this zero-custody design guarantees security. However, if you retain the original downloaded receipt file (.txt), it can still serve as supporting evidence in legal disputes, even though automated mathematical ownership validation requires the key.
- VerixID provides objective mathematical proof of file existence and integrity. Admissibility and legal interpretation depend on your jurisdiction's electronic evidence standards. For formal legal proceedings, we recommend utilizing our Certificate of Authenticity (COA) service.
- Standard free records remain queryable on the public ledger for 1 year* from registration, after which they are pruned per data retention policies. However, your downloaded receipt remains independently verifiable offline indefinitely.
- VerixID establishes existence, integrity, and timestamped origin, whereas e-signatures express mutual consent between parties. The two are complementary: VerixID excels at proving when a file existed and its unaltered origin state.
- Yes. Using only the Record ID, anyone can run a public integrity check to verify that the file's hash matches the recorded timestamp. They will not be able to confirm registrant ownership unless you share your Ownership Key.
- Yes. You can verify Record IDs programmatically using our REST API or connect directly to our MCP Server for integration with Claude, ChatGPT, Cursor, and custom AI agents.