OpenTechnical

OT-2026-000007622

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000007622) never changes.

Identity and time

Publication numberOT-2026-000007622 · never reused
Internal UUID01a0ae62-76bc-7dc5-a621-056e9530b308 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007622
StatusPUBLIC

Content hashes

Canonical textc090f6d37b694117a174146f677b3876316f8131c6e48db0a4d4402e1ef9bf44
Markdownac3d436e3f1c66b254a525b27b0a789825e64fe49464eb99f8fed37c83524780
PDF
Publication pagef62c7fc2b5a321b84ffe022af499f34399e3ab88517e65bded22f96f6dab34be
Manifestbdf6af848f478fb6fa87f5a403aa738baeba302e9801c8028d6c7ecedb90ddc0

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureZCzLZpx4U9L0K3lbcMvKoOQUplqSC8KYUEraNsesYvpU6bQxKQyigB4GF4VbI17Qx4Tdk4hQRhkh+MvCZXzRAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:14.274564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007622
observed f62c7fc2b5a321b84ffe022af499f343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:14.257091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007622/manifest.json
observed bdf6af848f478fb6fa87f5a403aa738b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:14.239464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007622/publication.md
observed ac3d436e3f1c66b254a525b27b0a7898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:14.221430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007622/publication.txt
observed c090f6d37b694117a174146f677b3876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.