OpenTechnical

OT-2026-000004384

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, six outlet manifold, plant vacuum fed

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-2026-000004384) never changes.

Identity and time

Publication numberOT-2026-000004384 · never reused
Internal UUID01a0a915-ddb4-7c83-a0ae-077a925be55f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:19:37.655538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004384
StatusPUBLIC

Content hashes

Canonical textb99bd1a03f62682b094808ff041b51b1638c0ad3563e0acc0a2442c78df30918
Markdownd68d2120a1a41101419b0d7f4797ccbc7ec9403aa1a68382bbad9b654a7deffe
PDF
Publication pagebe6ae0af7c6e396c0a04888c06dcb67085bd2811960513e7eaafcd687666b091
Manifest6ca2f00ad13f4f9a583c6160ea9dab531fddcceee2928d417bf9767ae3ded1c9

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
Signatureyn7EC4pdG9TzLFJe46FMMO/41Iip+Qaxl5easXVb1itFAdVoVXeRxMLNuZECVFPJaBhP+i0uO0wDJOclb+xWBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:20:03.947844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004384
observed be6ae0af7c6e396c0a04888c06dcb670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:03.933682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004384/manifest.json
observed 6ca2f00ad13f4f9a583c6160ea9dab53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:03.919653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004384/publication.md
observed d68d2120a1a41101419b0d7f4797ccbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:03.904464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004384/publication.txt
observed b99bd1a03f62682b094808ff041b51b1...
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.