crypto-textbook.com
Observed Aug 16, 2026, 06:50 UTC (10d ago). Every field below was attested with an Ed25519 signature at scan time.
crypto-textbook.com is on the survey sweep, which works its way across the whole catalog rather than returning to one name on a schedule. Putting crypto-textbook.com under watch moves it to the fast lane, where DomainDrift re-checks it about every 5 minutes and signs each reading, so a change becomes a dated event within minutes instead of waiting for the sweep to come round.
Watch crypto-textbook.com Watching a domain needs a DRM3 account. The reading above stays free and public either way.Steady. No change on record for crypto-textbook.com in the last day; this reading matches the one before it. The steady record is signed like every other reading. Watch it to catch the next move the moment it lands.
DNS records 9
TLS certificates 4
Subdomains 1
1 subdomain hostname observed and signed - the list itself is part of the paid record.
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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 receiptthe raw cryptographic proof
- Receipt ID
rcpt_f2cd5336b9b1394b- Output Hash
de2e7d9429916281059bf60bb27cd6fa90cacb9c0c23eecd70c882f8f6624883- Signature
ed25519:eb4d97e4b5da3cfbef4b3cc7a9716f25bf5521f5494e0baf6b37c75b4b92d9324d3fdbb5af4490678fb3deef92c2d281938e4aa9ad5732117ef55226e4868805- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast