arduino.org

Observed Jul 25, 2026, 20:51 UTC (17h 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

Runs onCloudflare

Email byGoogle Workspace

Secured byGoogle Trust Services

IPv6 · tranco

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 arduino.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_a9fc0db419b80451
Output Hash: adb188c40ee422a9909dbd2708e1ce0a3ccc9bc116a668a5fd0e72d84469d116
Signature: ed25519:39ff29ab65f9e2d8e9851951bd57bd3e7f9e4ba0a50c4345a6bb8760346f54cc63e08a1e171ce0bdaaeaafa5c3a4faf91c74dabec08701c0549cd4e11275f107
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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