OpenTechnical

OT-2026-000010640

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, vented after set-down

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-2026-000010640) never changes.

Identity and time

Publication numberOT-2026-000010640 · never reused
Internal UUID01a0ae6c-0ee8-71ad-bd2f-5487051f539e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010640
StatusPUBLIC

Content hashes

Canonical text5d8c2c64edc8fbd16ac1d2233218b113d229235659910c21759fcb0eeca01147
Markdownf2488b69544f2acc6fcc6be5853da77cab5a2fbc9a676fb5006fe798f8c1b467
PDF
Publication page8c065c8a19327af783f50652d2d04197b3c05300475984caf0f1009ed0608a52
Manifest0ab2d983b88acbddfd4534b463be16e9e1328ec401fa984b0f7d2f4e6766bfc1

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
SignaturedHDGt4odemOsWxlwlOF0BkmPlUZo/jgNlvcH1cC/fBKhn6Cm5KmMa8sW9y62ZU4q14NYvr7HbHILOyEtb4yLBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:14:50.287350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010640
observed 8c065c8a19327af783f50652d2d04197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:50.268630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010640/manifest.json
observed 0ab2d983b88acbddfd4534b463be16e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:50.251026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010640/publication.md
observed f2488b69544f2acc6fcc6be5853da77c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:50.233822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010640/publication.txt
observed 5d8c2c64edc8fbd16ac1d2233218b113...
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.