OpenTechnical

OT-2026-000067539

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000067539) never changes.

Identity and time

Publication numberOT-2026-000067539 · never reused
Internal UUID01a0ae8f-6bda-7a42-a2e4-ffceba779386 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067539
StatusPUBLIC

Content hashes

Canonical text593a56f19d6307296eed3579d42e981fd531933549d2ab67eed74d82078fcaec
Markdownf465761177adcf64d781079465d6c8cc7977c39e6bd8d6ac32e1d2060d7177f4
PDF
Publication pagea520c8d1de6a7d16a4a06df72ba4263160fe3d93d3ae42a5c9bbf957a4e5a4b9
Manifestab17b086684d6817ef7bf310a412af67cc9fa01a8aed06de242721ceb387564a

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
SignaturetjIqG9CwqABe4mALhVSDGwZ3dhWhm8dnSJab5viYss0JcEYw2xMDxBzVDq1OnYZuBc8XK504MrJlgUI8o0yQDQ==
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

2026-09-17T10:31:50.599260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067539
observed a520c8d1de6a7d16a4a06df72ba42631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:50.581337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067539/manifest.json
observed ab17b086684d6817ef7bf310a412af67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:50.563338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067539/publication.md
observed f465761177adcf64d781079465d6c8cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:50.546042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067539/publication.txt
observed 593a56f19d6307296eed3579d42e981f...
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.