city.ac.uk

Observed Jul 24, 2026, 18:22 UTC (23h 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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Runs onCloudflare

Email byMicrosoft 365

Secured byLet's Encrypt

Also usesGoogle Search Console

tranco_20k

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.

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

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

Ed25519 Receipt

Receipt ID: rcpt_0293ebc9cda34f85
Output Hash: 0b240918b932de4b339f0646fff7d1f4034e3bcb6b5cd6d727fa579cf1333576
Signature: ed25519:4c1a31bd150caaa614223e877f86810dceb3aae5a139abc732d300079c6bad3c269dcb9b318b107eb8d0e35d07fc7f280733370565dc02481422ec80e05ee106
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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