productboard.com

Observed Jul 26, 2026, 10:45 UTC (1h 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 onAmazon

Email byGoogle Workspace

Secured byLet's Encrypt

Registered withCloudflare, Inc.

Also usesGoogle Search ConsoleStripeAtlassian

push_legacy

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

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

Ed25519 Receipt

Receipt ID: rcpt_e37720ec4b67011d
Output Hash: 4753534bd6a0f9ce17742183f610862b474cab8e2af44f64e3d298c48293d3d2
Signature: ed25519:b35232d0eb3bbe35d65cb25d6b5c088145d3da5fc2628fc79b33c249f529f5065e29ea9696f877bf7e24f45b96c54271ca622db0c0ddeb952a121e48fce9ea0e
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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