OpenTechnical

OT-2026-000083776

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000083776) never changes.

Identity and time

Publication numberOT-2026-000083776 · never reused
Internal UUID01a0ae98-0417-72dc-9514-d007600bfb1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083776
StatusPUBLIC

Content hashes

Canonical textca736822d46269415e200c2b58184a7e9e7383d7ff441814d449c4d9e1f75e0d
Markdowncd8eef5c1d0e32646d338e24431b92da52dedd086ff3df929f0b6f3d360194d0
PDF
Publication pagef73a8aa6595d984f94335692236c4be90f9d012f666500dc6e76ea11b9e06169
Manifest55f2b0ff02fe5a7cc322572e160f0aada4575932c50c71dcfd3af3c984feade1

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
SignatureDTf76qe7sbp0/jgQ7IES5mMOGi77lrbefo1xZC1NlNlquFxovy6W+W+q6Owz1lb5zdZZMUgNDuXMX4WQGei/Cw==
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

2026-09-17T09:57:25.163143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083776
observed f73a8aa6595d984f94335692236c4be9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:25.145807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083776/manifest.json
observed 55f2b0ff02fe5a7cc322572e160f0aad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:25.128914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083776/publication.md
observed cd8eef5c1d0e32646d338e24431b92da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:25.111986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083776/publication.txt
observed ca736822d46269415e200c2b58184a7e...
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.