OpenTechnical

OT-2026-000083378

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000083378) never changes.

Identity and time

Publication numberOT-2026-000083378 · never reused
Internal UUID01a0ae97-c964-74eb-83ac-1979d5704c4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083378
StatusPUBLIC

Content hashes

Canonical text8247d10d7dbb4e142d960890f58428c2c3cfd95aa0758414b3d50072f1ea3d6c
Markdown15d9e528c1262286af6794ef87d16ee8bffc2cea8e911c4c55a80f05bf145d30
PDF
Publication pageeb1c4ed6b74b90161f4db8471a2cc1f95d320b1bd1e702622bdef6a549640be3
Manifest533e4749684dc6f735fc071e219d7be2233c38169b93aaeadaa2908313cc68c4

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
SignatureaxkMGq6DL0umJBfBI4Hi+qjX+nYz6e8PidYzc7kkV7UojGPWZ/P/7LevK8orZcBeX9IBfpYTQKOGFLlvg3JCDQ==
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

2026-09-17T10:00:48.966016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083378
observed eb1c4ed6b74b90161f4db8471a2cc1f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:48.937883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083378/manifest.json
observed 533e4749684dc6f735fc071e219d7be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:48.912539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083378/publication.md
observed 15d9e528c1262286af6794ef87d16ee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:48.883652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083378/publication.txt
observed 8247d10d7dbb4e142d960890f58428c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:46.957742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083378
observed eb1c4ed6b74b90161f4db8471a2cc1f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:46.940531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083378/manifest.json
observed 533e4749684dc6f735fc071e219d7be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:46.923660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083378/publication.md
observed 15d9e528c1262286af6794ef87d16ee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:46.908494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083378/publication.txt
observed 8247d10d7dbb4e142d960890f58428c2...
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.