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CAPSULE SEAL

Cryptographic signature. Integrity chain. Proof.

Seal any content, track every station, get alerted on any change. From individual to enterprise.

Content to seal (text or file)

Seal type

Public verification

Content is never sent. Only the SHA-256 hash is sent to the server. We never see the content.

What can you seal?

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Contracts & Documents

Round-trip between parties. Every change logged.

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Code & Software

Proof AI didn't modify in transit. Signed build chain.

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Multi-Signature

3 of 5 must approve. Conditional signatures.

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Shift Reports

Each shift signs. Continuous chain.

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Data Chain

Teams pass data. Every station verified.

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Tamper Alerts

If anyone changed a single character — instant alert.

Capsule Seal stores no content. Only hashes. We never see your document, code, or data.