OpenTechnical

OT-2026-000033626

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000033626) never changes.

Identity and time

Publication numberOT-2026-000033626 · never reused
Internal UUID01a0ae75-a38f-7a08-8901-fb0816241a9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033626
StatusPUBLIC

Content hashes

Canonical text5a559a87be7bc9455553f8776845cebc4f605e7506260fe1cf7790811ccbb65e
Markdowne4c90fa0d37beb35bdc25b8e47a723ab089aca2f42e6ccc473b0b3ce6730c773
PDF
Publication pageba330d894efb731cb597e6a5f48490615e6334dd5ee68be73e9ae06a259e25b4
Manifest47433bfa2d1e684e418354d2d28d346f76152b3b65e2721ca642249aca16a02b

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
Signaturetx44iK+81CiOttRH41fA+GVzcFjsnIHdx+cdjqtQLESu5WVBM5twaD2SFoRWCxGTMYzHKrn4QsLWHUFXtgshDg==
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

2026-09-17T11:31:36.269815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033626
observed ba330d894efb731cb597e6a5f4849061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:36.251691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033626/manifest.json
observed 47433bfa2d1e684e418354d2d28d346f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:36.234863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033626/publication.md
observed e4c90fa0d37beb35bdc25b8e47a723ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:36.214371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033626/publication.txt
observed 5a559a87be7bc9455553f8776845cebc...
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.