DocProof

DocProof

Prove your document existed before you shared it

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DocProof timestamps any file in 30 seconds. Upload a file, get a SHA-256 fingerprint computed in memory, a UTC timestamp, a shareable verification link, and a PDF certificate. Your file is never stored. Perfect for founders, freelancers, and developers who need to prove ownership or document integrity before sharing. $9 one-time per proof, no account required. Pro plan at $12/month includes 5 proofs.

DocProof launches

Launch date
DocProof
DocProofProve your document existed before you shared it

Launched on August 18th, 2026

DocProof
DocProofCryptographic timestamps for documents — no file storage

Launched on July 7th, 2026