OpenTechnical

OT-2026-000030371

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000030371) never changes.

Identity and time

Publication numberOT-2026-000030371 · never reused
Internal UUID01a0ae73-e501-75b8-a161-80fbf3a89bd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030371
StatusPUBLIC

Content hashes

Canonical text3f6d0a53334a13fd63633e80542f7f4b892290dd6415d478b9d0bfc9e1f16a83
Markdown2e39ce4308026b04674217f7d30226619e74bda752b93f859beb79caab884ed3
PDF
Publication pagea582fb1ffea173cf2d7b1b2845229a538fc3e142f7e08812e0e628e36420397c
Manifestaa5c92aca3dc5272acbae96f57cb94ecce4bdf1193b7e2471d91574347e107f9

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
SignatureV90cr3vvuGjwOxec9zVGgro8B0HdTUgd6zY2DGXWkOsVKi8e+S0lQv7yhJS9lRh3JiQtUZDbY6+UwIrps5M3Bw==
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

2026-09-17T11:38:05.656887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030371
observed a582fb1ffea173cf2d7b1b2845229a53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:05.637837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030371/manifest.json
observed aa5c92aca3dc5272acbae96f57cb94ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:05.619043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030371/publication.md
observed 2e39ce4308026b04674217f7d3022661...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:05.601983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030371/publication.txt
observed 3f6d0a53334a13fd63633e80542f7f4b...
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.