OpenTechnical

OT-2026-000039843

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000039843) never changes.

Identity and time

Publication numberOT-2026-000039843 · never reused
Internal UUID01a0ae78-d8d6-71fe-aab8-9592f4dfaf38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039843
StatusPUBLIC

Content hashes

Canonical textb69dc827378089778d324e82b70678d9700695c98de19a78a252f6e422ba9170
Markdownca3dc0c3138ceb9f5d2f824e1cbcf0ce103ed2886e7c4fc5bff6844d4c7b98e0
PDF
Publication page534e04983e8b9211b5627c0ed67b5df29ec0502eefc91d886aed70f2ad162b5b
Manifest7f32e536f54e6c3df38f81c716c139f156a66ddcb1e4152416631ef86f45fc05

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
SignaturetaFBSu75tS77x8xGCuAmhmZzOZADcGHio4uIId6OXkupdHV/JGU4WRE+arnU0SnEvmAekpRhDF25Wgkpx1yKBQ==
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

2026-09-17T11:20:05.341312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039843
observed 534e04983e8b9211b5627c0ed67b5df2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.322985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039843/manifest.json
observed 7f32e536f54e6c3df38f81c716c139f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.305734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039843/publication.md
observed ca3dc0c3138ceb9f5d2f824e1cbcf0ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.288497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039843/publication.txt
observed b69dc827378089778d324e82b70678d9...
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.