OpenTechnical

OT-2026-000022738

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, sustained blow-off before 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-2026-000022738) never changes.

Identity and time

Publication numberOT-2026-000022738 · never reused
Internal UUID01a0ae70-46ea-71b8-ae23-43b609396e45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022738
StatusPUBLIC

Content hashes

Canonical text074c44e3c1c8beacaa3a14fd576f876eeecb5a8c17962c1800afd7da3243532a
Markdownbccac139cfce47e496e8e05a1c410c960602d9df5309ba915bcbf91c807a3919
PDF
Publication page950642ad9929a4533ace22e86a80b9114442eb2aa0f20111d16914e777417ff6
Manifestb78ee0eca85d1d24765c9c2d2b827b17c1d28d929ae1fc76fd421d66d9dc9260

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
SignaturepElRtBvblaliKX9hYbF341OaGNX5D6FJ/PscAbzj/GsnNbf+sfflohfcBOc59rXFPQPL4KHCnkSjh47DKf+WAg==
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

2026-09-17T11:52:14.644955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022738
observed 950642ad9929a4533ace22e86a80b911...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:14.625354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022738/manifest.json
observed b78ee0eca85d1d24765c9c2d2b827b17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:14.604690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022738/publication.md
observed bccac139cfce47e496e8e05a1c410c96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:14.587691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022738/publication.txt
observed 074c44e3c1c8beacaa3a14fd576f876e...
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.