OpenTechnical

OT-2026-000082291

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, sustained blow-off before 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-2026-000082291) never changes.

Identity and time

Publication numberOT-2026-000082291 · never reused
Internal UUID01a0ae97-4d94-7502-9610-4ccaa72828e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082291
StatusPUBLIC

Content hashes

Canonical text35484713bd3f17bdd2c14d18ecbd29869652b032e633f994cb16190b731d7638
Markdown6510a56b2149b844ddad89fca4097491f5b85223f5871448684941d93c517264
PDF
Publication page47146ca3c6cea03d13acef351be5923aea60f6c3704e3db905af2a87003007ce
Manifestc58e0d2f66d14f2ea741c4c4b74ccd53da45e0468e63a867ec2616058cde0034

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
Signature/+TW/jQnUalxa9+h02F5ZslFyikl6o2vf0IlZRhHBzXymS6mAkStuvKMGoh0/AGXVFypJ/upz61uNEa77BciDg==
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

2026-09-17T09:59:09.070115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082291
observed 47146ca3c6cea03d13acef351be5923a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:09.053598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082291/manifest.json
observed c58e0d2f66d14f2ea741c4c4b74ccd53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:09.037048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082291/publication.md
observed 6510a56b2149b844ddad89fca4097491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:09.019671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082291/publication.txt
observed 35484713bd3f17bdd2c14d18ecbd2986...
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.