OpenTechnical

OT-2026-000031591

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four 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-2026-000031591) never changes.

Identity and time

Publication numberOT-2026-000031591 · never reused
Internal UUID01a0ae74-87af-73c7-b982-5e25f2935a95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031591
StatusPUBLIC

Content hashes

Canonical textd3d798e5fb13ae4214d0e60732946cfea5aa8762f6f727f679fa4c7ebbb0c43e
Markdown693a9b7a8b8ce7115a5f479d2daf24acc64cdeeb6b7aece673e29e6e55870476
PDF
Publication page65e3e5a72caf469ecbc152764e9167b989f0be254311ceebc7b1409165252146
Manifest39213767bc5a344ffb91a9f9f3f41ee78cc6654d5e13abfd82af998d28ebda03

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
SignaturevDonZLfM9293FJPuxL7x3mZvfJ5pJmPUVYUDM2j9YXTRMT+Jo00nodGI7GWVnqqUsk9OC8ZHzbDxN1/Vtxt0Aw==
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

2026-09-17T11:36:26.779763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031591
observed 65e3e5a72caf469ecbc152764e9167b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:26.760827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031591/manifest.json
observed 39213767bc5a344ffb91a9f9f3f41ee7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:26.743119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031591/publication.md
observed 693a9b7a8b8ce7115a5f479d2daf24ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:26.726289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031591/publication.txt
observed d3d798e5fb13ae4214d0e60732946cfe...
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.