OpenTechnical

OT-2026-000010441

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, 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-2026-000010441) never changes.

Identity and time

Publication numberOT-2026-000010441 · never reused
Internal UUID01a0ae6c-0ee6-73a3-8920-abd5097c344d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010441
StatusPUBLIC

Content hashes

Canonical texta462729e32bf508cacf06447dd41e593638aa28f704e98316a1857b3ddcd69c4
Markdown5feca903c994d058d9ae74d0cad69e23a9db341b8cb7e4e624eec32d5293ed74
PDF
Publication paged23e4807899c11a12cda4f28e1a23522df3556f434c188fece7dabc5f23e4a74
Manifest94d3492cf0622cf6eafc5a39925d187e99699fcd78fd1f25e9bceca6d927fee3

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
Signatureb8yBNiGZtoJqTapPZNKCnIPC7WRnbO8IaZPCvItB+SoFLzTFUy1kSLKC5LARb6pZY8cWUluzlP2z7FwOdsg+Cg==
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

2026-09-17T12:14:34.455091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010441
observed d23e4807899c11a12cda4f28e1a23522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:34.434500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010441/manifest.json
observed 94d3492cf0622cf6eafc5a39925d187e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:34.414155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010441/publication.md
observed 5feca903c994d058d9ae74d0cad69e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:34.393309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010441/publication.txt
observed a462729e32bf508cacf06447dd41e593...
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.