Immutable Confidence
For Every Approval.

Your signature used to mean something. In an era of AI workflows and editable cloud servers, "trusting the document" is a massive professional liability. We provide the Cryptographic Receipt of Truth for Engineers, Lawyers, and CPAs.

Launch The Vault Verify a Document

The Death of the Signature.

Wet ink on paper used to be final. It was irrefutable proof of your professional oversight. Today, it is a digital free-for-all.

A PDF signature can be ripped, copied, and pasted by a junior associate in three seconds. Cloud server timestamps can be altered by any IT admin. And with AI generating massive workflows and documents overnight, the lines of accountability are completely blurred.

When a structure fails, a contract is disputed, or an audit goes sideways, regulators will ask one question: "Can you prove, with absolute certainty, that you approved THIS exact version of the file?"

If your answer relies on a cloud server log or a flattened PDF, you are exposed. "Trusting the server" is no longer a defense. It is professional negligence.

Engine 1: For The Creator

The Vault

Establish absolute ownership, eliminate forgery liability, and lock in your professional truth. The Vault is where firms anchor their digital assets to ensure complete professional defense.

Indisputable Digital Origin

Modernize your professional seal. Bind your verified identity to your critical files the exact second they are finalized. If a third party alters your plans, your Vault provides definitive proof the modified file did not come from you.

Absolute Revocation Control

Never lose sleep over "which version is final." Maintain a flawless timeline of every revision. If a project is canceled or a design deemed unsafe, you can instantly revoke the document, warning anyone who attempts to rely on it.

Zero-Knowledge Custody

Your sensitive files never leave your device. We secure the proof of your document, not the document itself. Retain 100% custody and absolute confidentiality over your client data while generating ironclad audit readiness.

Engine 2: For The Auditor & Client

The Verify Terminal

Radical transparency. Give your clients, partners, and regulators the power to independently verify your documents in seconds, building unshakable trust.

100% Independent Verification

No logins, no passwords, no software to install. Auditors simply drag and drop the document into their browser for an independent truth check that survives decades, even if our servers are down.

The Ultimate Lie Detector

Even a single changed letter, deleted comma, or invisible space triggers an immediate mismatch. The terminal flashes Green, Amber, or Red, stopping fraud before it causes costly damage.

Live, Real-Time Sync

Stop partners from accidentally building from old plans. The verification engine checks the live pulse of the project. If you revoked a file this morning, the auditor's dashboard instantly reflects that up-to-the-second status.

Turn Liability into a Billable Event.

The Preemptive Strike

Providing a public audit tool proves your firm operates with total transparency. It sends a powerful message to your market: We stand behind our work so confidently that we give you the tools to prove it.

When you email a final contract or audit report, attach the Portable Digital Receipt. This standard PDF acts as a permanent passport for the document. From day one, you signal to your client that you have taken the ultimate precaution to protect their integrity, killing future disputes before they even breathe.

The Revenue Flip: From Risk to Reward

Compliance and digital security are usually treated as expensive overhead. Stamp-on-Chain flips this into a high-margin billable event.

You do not eat the cost of this security. When you deliver a stamped asset, you add a "Forensic Verification Fee" (e.g., $150) to the final invoice. The client pays for Wall Street-grade mathematical certainty. You get paid to build an ironclad legal shield around your own practice.

Professional Pricing. Transparent Terms.

Charge one client the Forensic Verification Fee, and the system pays for itself for the entire year.

Single User Vault

For the solo licensed professional.

$39/month
  • 1 Verified Professional Identity
  • Unlimited Vault Stamping
  • Zero-Knowledge Local Hashing
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Firm Standard

Company Access

For multi-partner firms and agencies.

$59/month
  • Includes 1 Professional Seat
  • $39/mo for each additional seat
  • Centralized Billing & Compliance
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The Verify Terminal is 100% Free

Your clients, opposing counsel, and auditors will never pay a dime to verify your work. If they have your shared Certificate of Origin, the truth check is provided at no additional cost to anyone.

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End the Argument Before It Begins.

We work directly with Professional Engineers, Partners, and Managing Directors to establish Forensic Identity Wallets. Leave your details below to secure your firm's professional truth.

Strict Zero-Knowledge Lead Capture. We never share firm data with third parties.