rectangular.org
Observed Aug 16, 2026, 19:54 UTC (2h 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.
Up right now
Secured byLet's Encrypt
Let's Encrypt1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat rectangular.org actually stands on - every host below is a signed observation
rectangular.org
A / AAAA
52.40.42.11344.232.173.249
unattributedserves the site
NS
launch1.spaceship.netlaunch2.spaceship.net
spaceship.netanswers its DNS
TLS
rectangular.org
Let's Encryptissued its certificate
DNS Records
A 2
52.40.42.11344.232.173.249
TXT 1
117bc83f-3223-4b83-826a-e783b91d6ccd
NS 2
launch1.spaceship.netlaunch2.spaceship.net
SOA 1
launch1.spaceship.net support.spaceship.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
rectangular.org |
C=US, O=Let's Encrypt, CN=YR1 | Sun, 25 Oct 2026 21:32:03 +0000 |
YR1 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (1)
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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_a1f973b59f62aa72- Output Hash
9c86cc0b733d037af0c459d6985ce6116348688f187f5718c8f25edf932ee38b- Signature
ed25519:27c9a3bc21784ad4ff72063435be793566767fc7a772ae01aeaefe207f785ae90f7da713a88d682fd95c5318324be310e9b44fb784e3faa339e1a58697841b0f- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast