OpenTechnical

OT-2026-000033571

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum 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-2026-000033571) never changes.

Identity and time

Publication numberOT-2026-000033571 · never reused
Internal UUID01a0ae75-a38f-7214-b2cf-45e08802c495 · 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-2026-000033571
StatusPUBLIC

Content hashes

Canonical text5e3fc530ea3cef1314f1037c81ca57bf05e34225234b03948146e62bcbb34a17
Markdownb8c07a8a7804038fb6dca399cf7ba5985f8a96c1e0db561bfb9923ad3140c26b
PDF
Publication page35d69880c9bb6de24db38cd0d5a6a4d8a0ac134e3e88cf6fa525ae3563824914
Manifest9f2935e1a9c40a058fb0de0bb8b392e0cc2a0b07bc3ec68f6adeeedb258ed089

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
Signature80bqJkWwQK0BiGsxtvGv6y3n+tAq6x5LFeMbmkUl24IQ8X4vCUJzZf1TcfIoZzbjrP37BqGqysleQ4Wls7iDDw==
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

2026-09-17T11:31:26.505668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033571
observed 35d69880c9bb6de24db38cd0d5a6a4d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:26.488942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033571/manifest.json
observed 9f2935e1a9c40a058fb0de0bb8b392e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:26.471737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033571/publication.md
observed b8c07a8a7804038fb6dca399cf7ba598...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:26.453944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033571/publication.txt
observed 5e3fc530ea3cef1314f1037c81ca57bf...
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.