OpenTechnical

OT-2026-000038671

Publication integrity record

Three cup vacuum gripper, three zone face, three 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-2026-000038671) never changes.

Identity and time

Publication numberOT-2026-000038671 · never reused
Internal UUID01a0ae78-769e-7a2a-986b-765b7b3199cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038671
StatusPUBLIC

Content hashes

Canonical textbabe6394ad56a35f64db13ecf9dfc8d009d3abae1a8bec8d6eceabcda9ebe246
Markdown7ff22727cabb145035f37347cda68af7652c408d3627af478e9881833c0ecbf1
PDF
Publication page31fe46cb2be87ebef0ba4a700a390ac823e1da48f780142776d1aa3193fedc14
Manifest13d7c0da5d383b7a2920aec1c26a352bfae8315a0e11b24221e8873d9db07ee2

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
SignaturemPq++g98thMEbg/gjOEGLwsOSYZW+LjgJQpxB+kZp05/Y6RmKHj7szh+fXWokC72C4RLtuJ3Z2/BbIvp6s4TBA==
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

2026-09-17T11:21:08.147872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038671
observed 31fe46cb2be87ebef0ba4a700a390ac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:08.131739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038671/manifest.json
observed 13d7c0da5d383b7a2920aec1c26a352b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:08.114763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038671/publication.md
observed 7ff22727cabb145035f37347cda68af7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:08.097845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038671/publication.txt
observed babe6394ad56a35f64db13ecf9dfc8d0...
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.