OpenTechnical

OT-2026-000093781

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000093781) never changes.

Identity and time

Publication numberOT-2026-000093781 · never reused
Internal UUID01a0ae9e-508c-7b57-b752-374f279cedee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093781
StatusPUBLIC

Content hashes

Canonical text9c918bd92f72561f0b42976748256ed382acd331cb79b8e207024536308c7c29
Markdown7345c0ac5b19e5f7346dfc3f9136f5f9d74e1b7e01499ad78c0002203435cc1a
PDF
Publication page1a969e114d951fda13fa9c60c9a4ed35a5da04a1bca8c78dabdb1824772703ae
Manifest2fab08ed40b193fbae7220fc84611c4213911ad4f98255ea18b7fa63132f3a81

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
SignatureJwvhXpfLmekysuK97USgZa4NEaAf+UkEqKsCsjR7uD/GKZk9Sdkg4jR4aw89I+QeyKSf6yVqdSiVSq0StVb1Aw==
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

2026-09-17T09:39:52.874294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093781
observed 1a969e114d951fda13fa9c60c9a4ed35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:52.857838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093781/manifest.json
observed 2fab08ed40b193fbae7220fc84611c42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:52.838865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093781/publication.md
observed 7345c0ac5b19e5f7346dfc3f9136f5f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:52.822370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093781/publication.txt
observed 9c918bd92f72561f0b42976748256ed3...
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.