OpenTechnical

OT-2026-000003794

Publication integrity record

Vacuum cup gripper, three zone face, per zone isolation, pump fed, pressure verified

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-2026-000003794) never changes.

Identity and time

Publication numberOT-2026-000003794 · never reused
Internal UUID01a0a90b-140d-7433-ac66-9c7d7627e6fc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:50.671762Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003794
StatusPUBLIC

Content hashes

Canonical texte5342eabe2f1ac538d4b5b027237a613a68f99543df523e5ec8e0220ea440420
Markdownf4ce072d8bb88200d20a816ae5ac1f0ea4b64d20c2751b84cc5d2cdc4cc94a50
PDF
Publication page9ad1f77a67c4b751b6d961d8061c317092a965d8714815f59389f855d9d4b934
Manifestde0c80e4dedea496a92af344f7ae3f60c2f069bcedcbe4b9714951c1badd813a

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
Signatureazf22PhvpdxlAhkHQ7ZUXJELp5EZf8VC4CwVfzvoFVr1mSO/0+ixhLvvodltGQ/QY8KsDJwhd3bqILS1mO1eAA==
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

2026-09-16T07:10:19.956484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003794
observed 9ad1f77a67c4b751b6d961d8061c3170...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:19.942502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003794/manifest.json
observed de0c80e4dedea496a92af344f7ae3f60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:19.927444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003794/publication.md
observed f4ce072d8bb88200d20a816ae5ac1f0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:19.914575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003794/publication.txt
observed e5342eabe2f1ac538d4b5b027237a613...
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.