OpenTechnical

OT-2026-000078010

Publication integrity record

Single bellows cup vacuum gripper, pump fed, 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-2026-000078010) never changes.

Identity and time

Publication numberOT-2026-000078010 · never reused
Internal UUID01a0ae95-2ed1-730a-9f67-42b3ac023274 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078010
StatusPUBLIC

Content hashes

Canonical text155058727738848910c71dc482768aef0307dcad0c9108bb1d7616a9f3296ed2
Markdowne470dce6ac4da986df3f208d94bc4d87e03cee4ac2ea3ca1d9901078dddb9d4e
PDF
Publication page06c869359a152141df8e8487943add33db31c876c72a1fd0a2fcc10dda06e2ad
Manifest265aa7a57fcb448cc0beaed931bf437aa433d1baa9ad5d8afe1fc32009a840d6

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
SignaturevBn2upDqSPRQal17HhlZMC7x27Y/Z+IYbycPzYjiblGQn2iAJwaKlhlNeTV1JiVw5G99/JNH6elknSeWyQ0dDw==
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

2026-09-17T10:07:00.319649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078010
observed 06c869359a152141df8e8487943add33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:00.300174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078010/manifest.json
observed 265aa7a57fcb448cc0beaed931bf437a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:00.279943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078010/publication.md
observed e470dce6ac4da986df3f208d94bc4d87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:00.261602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078010/publication.txt
observed 155058727738848910c71dc482768aef...
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.