Cryptographic proof that your documents existed at a specific time. Independent of us. Permanent for you.
Prove a document existed at a specific moment in time. Ideal for IP protection, legal evidence, and drafts.
Continuous verification for business documents. Prove invoices and contracts haven't changed.
Enterprise-grade attestation of system authority and signing lineage. For compliance audits.
You select a file. We generate a SHA-256 hash locally. We never see your document.
Our sovereign infrastructure timestamps and signs the hash with Ed25519 keys.
You receive a portable PDF receipt with an embedded QR code and cryptographic proof.
Anyone can verify the receipt instantly, anywhere, forever.