OpenTechnical

OT-2026-000005294

Publication integrity record

Vacuum cup gripper, per zone isolation, two stage ejector, pressure verified, contact triggered

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-2026-000005294) never changes.

Identity and time

Publication numberOT-2026-000005294 · never reused
Internal UUID01a0a934-79f9-79a4-9e02-78b301c286e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:53:03.740072Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005294
StatusPUBLIC

Content hashes

Canonical text85ef520bb1665ff4b2c4d11be07203b5cb6f572d6749e083de9c545195b79d21
Markdown5e2d6001d7791879b8dd954b4c3a6e5d03ff59c4429838380e0023d2a90679a7
PDF
Publication page65dadf926c7645a06421e145b57b46a34896e38bdeac035f343731317385bc81
Manifest047a1fc97b041f2cdd4950ac29d474afb741db4a6e78d223442d3277472fe3b9

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
Signaturejs9muWRcLGlgVi4Aa9g+YBQo01WisEJ+KF/JcPsAsBfwrKKoEh3T3H57yHS7I2+5Cs80R8wcJw0Q/Rn17kZuCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:25.885790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005294
observed 65dadf926c7645a06421e145b57b46a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:25.870925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005294/manifest.json
observed 047a1fc97b041f2cdd4950ac29d474af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:25.742974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005294/publication.md
observed 5e2d6001d7791879b8dd954b4c3a6e5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:25.729622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005294/publication.txt
observed 85ef520bb1665ff4b2c4d11be07203b5...
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.