OpenTechnical

OT-2026-000078498

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented after 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-2026-000078498) never changes.

Identity and time

Publication numberOT-2026-000078498 · never reused
Internal UUID01a0ae95-7c29-789d-869e-3eb481bab9fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078498
StatusPUBLIC

Content hashes

Canonical text9b7f942441c5c035aa2c9e4302f45fd16b90f70c9d6909563ab4b955f3617406
Markdowncaf8ae938963f966124d6a76130d11e79bb9f70bbd76196442a1976fa7937b41
PDF
Publication page7877659b64ad1348767ec1eec156268c75d67023f2d78646c9ddc85c70208444
Manifest4b7e868ecb6f19b9b773032e51ee5a8876ad4fbdca68ae05bcf802edda52f940

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
SignaturezTWqoiRnPRMiVdeS0gjjP27ZOMeQzNpBn04kbBwYYiDSKUvp/YGPnyzaK8anfGn9Y8dEImFDB86RLnJ8PYUYAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:30.536990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078498
observed 7877659b64ad1348767ec1eec156268c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.518765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078498/manifest.json
observed 4b7e868ecb6f19b9b773032e51ee5a88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.499465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078498/publication.md
observed caf8ae938963f966124d6a76130d11e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.481793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078498/publication.txt
observed 9b7f942441c5c035aa2c9e4302f45fd1...
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.