OpenTechnical

OT-2026-000045003

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, 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-2026-000045003) never changes.

Identity and time

Publication numberOT-2026-000045003 · never reused
Internal UUID01a0ae7c-911d-745a-a87f-05f78875b9b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045003
StatusPUBLIC

Content hashes

Canonical text2345b97b419ab0476d53dfd061ce0dc1c5052c4234cd10fa937bb4509502d905
Markdown78c617eea7a566a5f52ce831cc91cfda18ed1f080e904fc596e2d5ed6459c633
PDF
Publication page7d62ed106af8022779c1e8f4f55e3c83d99e6b994026341fe43559a289a693b8
Manifestbbf659e2de821d4bb51ef4bd1f4251f16e87e3b453583b77e673801ce2c7d00d

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
SignatureBWND5LCx/CZ1hgUuMeVJVb4STgNrLbl77RZi5zG6QgD5mKZGNWeXvKYRjLygMFsVjXrrb6arPofI6D0yd7UWBw==
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

2026-09-17T11:11:41.997133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045003
observed 7d62ed106af8022779c1e8f4f55e3c83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:41.977134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045003/manifest.json
observed bbf659e2de821d4bb51ef4bd1f4251f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:41.957633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045003/publication.md
observed 78c617eea7a566a5f52ce831cc91cfda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:41.938123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045003/publication.txt
observed 2345b97b419ab0476d53dfd061ce0dc1...
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.