OpenTechnical

OT-2026-000007204

Publication integrity record

Porous face vacuum gripper, two zone face, ejector fed, pressure verified, open cell

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-2026-000007204) never changes.

Identity and time

Publication numberOT-2026-000007204 · never reused
Internal UUID01a0a976-742c-7f0f-bbed-8aab09ac4ebf · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:05:07.631491Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007204
StatusPUBLIC

Content hashes

Canonical text315b17319aaa6183048965cdebdf452415192505634b24d813f1815c6921618d
Markdown7ca0545fcd31e6e0c1945282304e838679664be723cc5735f6d6bfa788c9edbb
PDF
Publication paged429796db4900c442340231a7507c65a34e924e94d465b6327a236731b91cc64
Manifestbfb796a9be038f6f35ea51127433e450cdd30a01cb5ed1dc9a9e30c726ac633d

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
Signatureo2gQvOLo69wQ+AtLJ6ftxc5od/LC+kkQtaX1T6o7YNAicjD3hY2On9E55/n9v4ozhaKjOiPhem1oDiSLVG4bBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:16.193539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007204
observed d429796db4900c442340231a7507c65a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:16.180948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007204/manifest.json
observed bfb796a9be038f6f35ea51127433e450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:16.169770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007204/publication.md
observed 7ca0545fcd31e6e0c1945282304e8386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:16.157454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007204/publication.txt
observed 315b17319aaa6183048965cdebdf4524...
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.