OpenTechnical

OT-2026-000006087

Publication integrity record

Vacuum cup gripper, common isolation valve, plant vacuum fed, vented before set down, rubber cups

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-2026-000006087) never changes.

Identity and time

Publication numberOT-2026-000006087 · never reused
Internal UUID01a0a94e-e67e-7e4f-8fab-dbadc825144f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:21:55.457248Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006087
StatusPUBLIC

Content hashes

Canonical texte23129678b3df89436a7eae4823b465b05dcd9d6c3b902c312edaa8d29289038
Markdown2ee8eec6351c123b4207efafdb47de805ef090a27c6cf046281fff7f6e3cb25a
PDF
Publication page7a0f5784f92025c0940587e4030ef35d394bcd14ed875a3ba6028fcd2f9646b7
Manifest3d7cd4beae8e840f0c5fe7723b73b5fb07d032c5cf579bd565dd915e33e23d21

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
SignaturejLGkF88KZpgTRYLsCuM82kYbtfnYWCCxWWy2LKxOqRaSwezgVGLFfnrLWtjKR8DrlBryTrOKxgRzieqSFAXBBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:28.938574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006087
observed 7a0f5784f92025c0940587e4030ef35d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:28.923948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006087/manifest.json
observed 3d7cd4beae8e840f0c5fe7723b73b5fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:28.910574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006087/publication.md
observed 2ee8eec6351c123b4207efafdb47de80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:28.896728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006087/publication.txt
observed e23129678b3df89436a7eae4823b465b...
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.