OpenTechnical

OT-2026-000007099

Publication integrity record

Bellows cup vacuum gripper, pump fed, contact triggered on the face, vented after set down

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-2026-000007099) never changes.

Identity and time

Publication numberOT-2026-000007099 · never reused
Internal UUID01a0a972-a7fd-72af-bfe0-d467313a230c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:00:58.752319Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007099
StatusPUBLIC

Content hashes

Canonical text63eed02126b407f91e0d2dc978ccedad7a51c35e0bad6e6c50f960e160120980
Markdownb589494aad2da78f673c6f37811547b9a755d8c1a3104e55c47f8eb1950b0eca
PDF
Publication pagea2d0a1bc54d379f311f1c5a7741f0d3e47c7b21227ca2f5dd599bbbf2f1d3dcc
Manifest981374555dd235a81ff94ef602e19709699915121821e8e6b0e5bbff4b77410b

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
SignatureogGtqZayjhMplHxiMHnjinQSnNAnX66ykCS5f1nPSdCEGD7G/SqZKSExM+cnWVTggYbtyjlUnuOQqLLfOBK0AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:27.199362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007099
observed a2d0a1bc54d379f311f1c5a7741f0d3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:27.185575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007099/manifest.json
observed 981374555dd235a81ff94ef602e19709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:27.170938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007099/publication.md
observed b589494aad2da78f673c6f37811547b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:27.155063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007099/publication.txt
observed 63eed02126b407f91e0d2dc978ccedad...
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.