arduino.cc

Observed Jul 26, 2026, 10:40 UTC (29m 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

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Runs onCloudflare

Email byProofpoint

Secured byAmazon

Registered withMarkMonitor Inc.

Also uses1PasswordZoomDocuSignFacebook/MetaGoogle Search Console

deep_tech

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

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

Ed25519 Receipt

Receipt ID: rcpt_b039f6dd19d9778a
Output Hash: 4e65d5826a7e6b99451703b98ffffea4f8454c384798818690a33dd4e3699545
Signature: ed25519:6af6cc16954f529d8fec44b3300dfe8f8758b8157eea877a5c6037fbbcb1f64e9d8799ddd808ac4fd0b809a7f1e6425c48ecc87fe8c0bd0ed502bb492ecd0003
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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