OpenTechnical

OT-2026-000084742

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, sustained 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-2026-000084742) never changes.

Identity and time

Publication numberOT-2026-000084742 · never reused
Internal UUID01a0ae98-e25d-775a-b65b-26602e9dbd9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084742
StatusPUBLIC

Content hashes

Canonical textf3a3b9186de1dcaba43ce24e220b554393a60f2d54cd5094c5d45fdcabeb1876
Markdownfacf9739e3ce805270bf6c4070b059511baea86934ea53aafe6a1f6db12d106d
PDF
Publication page593a9201165a3be4e4ed6acf332766d978a1d0fdcc0a09b7729d96d6c7408550
Manifestf44024688fafd308d22d9eb14cca461245a5daab10674c1ac8b07f6d7e8ab27d

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
SignatureUDU4DuXy7w3R3yIzILXAIJVcLUcvjkuXLgL+7Nsm53CpmMSOTj2WJK7uzkJEI0yDQdQOPdL6kBbndWgHrFUgBw==
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

2026-09-17T09:55:41.169213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084742
observed 593a9201165a3be4e4ed6acf332766d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:41.153561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084742/manifest.json
observed f44024688fafd308d22d9eb14cca4612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:41.137083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084742/publication.md
observed facf9739e3ce805270bf6c4070b05951...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:41.119820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084742/publication.txt
observed f3a3b9186de1dcaba43ce24e220b5543...
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.