You are in my Digital Garden.

Trusted Timestamping

Last modified: Dec 10th, 2025

Summaries

• It’s time for timestamping - my blog post on this
  • This page is mostly an extraction of the links in that post, plus some others
• Trusted Timestamping - Wikipedia

Software

• OpenTimestamps - blockchain timestamping in Python, JS, Java, Rust
  • Git integration - for git commit/signature timestamping
  • foxglove - aggregate timestamps locally, see comment
• openssl ts
  • Online manpage
• rfcts - my bash scripts
• ProofMode app
• timestamp.standford.edu
  • Seems really good
  • Repo: https://github.com/bil/timestamping

Providers

• DigiCert