purdue.edu

Observed Jul 24, 2026, 17:44 UTC (2d 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.

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Up right now

Runs onPurdue University

Email byMicrosoft 365

Secured byInCommon

Also usesGoogle Search ConsoleAtlassianFacebook/Meta

106 subdomains · education_expanded

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

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

Ed25519 Receipt

Receipt ID: rcpt_8731a7c6d5894c80
Output Hash: 7ae68ed3053bf972c80005c191779506b4e88c94b8e16e92d3bceb1c8107a95b
Signature: ed25519:544cd91c3d8b923d921527816ef35f4313e02142beeb6fefd6db084902fa87a04260aad62481a5ac8425e03cb142f425c6d649b2573a86cf2edf263176068c02
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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