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#OpenTimestamps

OpenTimestamps : protocole open source d'horodatage sur Bitcoin. Guides d'utilisation, vérification de preuves, intégration et cas d'usage pour développeurs et créateurs.

3 articles with this tag

Browse all LegalStamp articles related to OpenTimestamps. Practical guides, tutorials, and analyses to deepen your knowledge of blockchain timestamping and document protection.

If LegalStamp Shuts Down Tomorrow: How Long Your Proofs Actually LastConseils

If LegalStamp Shuts Down Tomorrow: How Long Your Proofs Actually Last

A timestamp proof is meant to last 10, 20, 30 years. What if the vendor disappears in 5? Why our proofs remain verifiable even without LegalStamp.

May 29, 2026
8 min
Jeremy
Verify a Bitcoin timestamp yourself: step-by-step tutorial (no LegalStamp required)Guides

Verify a Bitcoin timestamp yourself: step-by-step tutorial (no LegalStamp required)

You have a .ots file from LegalStamp or any other OpenTimestamps service. Here are three methods to verify the proof yourself, two of which are completely independent of our website.

May 22, 2026
11 min
Jeremy
Protect Your Creation Before You Share It: Timing, Workflow, and EvidenceCas d'usage

Protect Your Creation Before You Share It: Timing, Workflow, and Evidence

Before you send a logo, design, or text to a client, lock in evidence of prior existence: timing, workflow, what to save, and mistakes to avoid.

February 2, 2026
11 min
Jeremy
COLOPHON
LegalStamp.

Create timestamped proofs of existence for your documents using the Bitcoin blockchain. Secure, fast, and legally recognized.

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