OpenTechnical

OT-2026-000012790

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, 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-2026-000012790) never changes.

Identity and time

Publication numberOT-2026-000012790 · never reused
Internal UUID01a0ae6d-5563-74f0-97d5-f5353a2f759d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012790
StatusPUBLIC

Content hashes

Canonical text13fce527f4167b2adcd5975636597054b6279f4636a6a35034a6e2ff48f2169f
Markdown2bcd63a5adb4f409580f0987e9636deec5f9f72990c523f0641e2d0e1f5964ef
PDF
Publication pagebd3e3ab9dfd398dacc0735c622cbde82444290947712a764c3cd8e38e20627ef
Manifestd23318c4be9f13343dc4dc10bad04d0c80e915f8c37cde80c557a63da48913e5

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
SignatureaRoR3gkrpwV/dTcnWcqUUsrcJMnNz/pA1dELyoEvNRvxXmPFiKp/YOfaSMOM23No/mSwzkn1p4lT7uYS9eCIDA==
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

2026-09-17T12:10:30.811969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012790
observed bd3e3ab9dfd398dacc0735c622cbde82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:30.790870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012790/manifest.json
observed d23318c4be9f13343dc4dc10bad04d0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:30.770995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012790/publication.md
observed 2bcd63a5adb4f409580f0987e9636dee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:30.754335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012790/publication.txt
observed 13fce527f4167b2adcd5975636597054...
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.