OpenTechnical

OT-2026-000067779

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000067779) never changes.

Identity and time

Publication numberOT-2026-000067779 · never reused
Internal UUID01a0ae8f-c4fa-7928-bf4a-8d331414fe4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067779
StatusPUBLIC

Content hashes

Canonical textd8657b4cbe78eebb0c7eadab44350002ae60bc20200911733069d029fee9f9dc
Markdowne370d9b6a46f7971d70845dc412df7c5d37d5ee8035e078b9663b0442de8a692
PDF
Publication page65130bad144f8073b0012e039f099e26339cb7a2951bb94ce7b699892ded38f4
Manifest7c4a87a15c7dd7740c1c7cc9810716a7bd1796c792f6e7a81c81ee8e9a88effe

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
SignatureMk3ytvuIx0iAe58qCGv1eyOoLS9M8Yb3Sh37XTWq2IxvMiyKlNUn9QF0pz0O1kGZqSYMm813Ow9D0e8SrFZRAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:00.727616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067779
observed 65130bad144f8073b0012e039f099e26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:00.707131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067779/manifest.json
observed 7c4a87a15c7dd7740c1c7cc9810716a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:00.689574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067779/publication.md
observed e370d9b6a46f7971d70845dc412df7c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:00.671732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067779/publication.txt
observed d8657b4cbe78eebb0c7eadab44350002...
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.