OpenTechnical

OT-2026-000011353

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000011353) never changes.

Identity and time

Publication numberOT-2026-000011353 · never reused
Internal UUID01a0ae6c-88fe-77e2-a5a9-0f04748e29db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011353
StatusPUBLIC

Content hashes

Canonical text61c637ed1946fcab40e45ae2eb7b2445a501a9c32384eef3afd2b95f183bf962
Markdown2bcbd4922ad200ecb4bd38b69c797e4a5d4963d4918f13780b042315b35f7dc5
PDF
Publication page8630c53deb3c894e401e40449b6dcdf88d841d50afdf646424838dd36b94197b
Manifest0542d35c26d0f22afcbf0addd1ca4f4e78aa8010b845045deee56f2f57d321a5

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
Signature9IZO45g62UAEK53lPDltneOtGVmPm7DMZpQQvQK1CE5LrEJrOi1ks6N3hd3a9HLp6WJufPZ+SJ/B9d4uTZFhBg==
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

2026-09-17T12:13:05.003598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011353
observed 8630c53deb3c894e401e40449b6dcdf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:04.982951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011353/manifest.json
observed 0542d35c26d0f22afcbf0addd1ca4f4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:04.961494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011353/publication.md
observed 2bcbd4922ad200ecb4bd38b69c797e4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:04.938965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011353/publication.txt
observed 61c637ed1946fcab40e45ae2eb7b2445...
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.