ritchielab.org

Observed Jul 26, 2026, 22:08 UTC (16h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.

Verify this receipt yourself + Watch this domain

Up right now

Secured byLet's Encrypt

3 subdomains · domcop

Every line above is a signed observation. Check the math at the bottom of the page.

No payload stored for this observation.

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for ritchielab.org. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/ritchielab.org">
  <img src="https://domaindrift.io/badge/ritchielab.org.svg"
       width="300" height="64" alt="DomainDrift signed observations for ritchielab.org">
</a>

Ed25519 Receipt

Receipt ID: rcpt_b589a784383ae9c0
Output Hash: 4598b790b843293f55ca0285e0df8af5c97a04dabe28a1f0b938499602ff6c67
Signature: ed25519:6405bad2aacf8eed1b71a6d9ba05f282f0183a1596ec6cc586f092a475d2c1f2682e591d0e8a0be96004aac5e767db5a634055343c5a6a2a94faec923607f70b
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/ritchielab.org