OpenTechnical

OT-2026-000014379

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pulsed 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-2026-000014379) never changes.

Identity and time

Publication numberOT-2026-000014379 · never reused
Internal UUID01a0ae6d-b27a-7c54-84b9-1d4c6981923d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014379
StatusPUBLIC

Content hashes

Canonical text85cf5efea90e964f9996b6d70de868fd3c3f3dcafa22879935d484c05096ed28
Markdown598520019005bfb127b2e1310de09f0bfc559a1c6794335630f7a8ee613ca9b8
PDF
Publication page3c8fc8de59df3734bf1f1d556db3c15ff06dd6a0baebbeab495cacad6dc8e399
Manifest0610129f184f8330b18160139509836af2903b679bd8ae27e8e555b4d28cf780

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
Signature3X5k9YrAWnC8iq7bew73Um3ojWF6mLn6EbKRnB87H/FXsqfZsZHU+BJbcxEyWvHGfPWrJqziZo5E+UiDe91VBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:10:07.833504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014379
observed 3c8fc8de59df3734bf1f1d556db3c15f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:07.812203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014379/manifest.json
observed 0610129f184f8330b18160139509836a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:07.783581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014379/publication.md
observed 598520019005bfb127b2e1310de09f0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:07.758657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014379/publication.txt
observed 85cf5efea90e964f9996b6d70de868fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:13.832542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014379
observed 3c8fc8de59df3734bf1f1d556db3c15f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:13.812756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014379/manifest.json
observed 0610129f184f8330b18160139509836a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:13.792345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014379/publication.md
observed 598520019005bfb127b2e1310de09f0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:13.773819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014379/publication.txt
observed 85cf5efea90e964f9996b6d70de868fd...
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.