OpenTechnical

OT-2026-000016620

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000016620) never changes.

Identity and time

Publication numberOT-2026-000016620 · never reused
Internal UUID01a0ae6e-5918-782c-9af4-ab71f6bbf883 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016620
StatusPUBLIC

Content hashes

Canonical texta6005d25ed6cb95238941f1917b113bbd03708a6c14f5ef7148c2cce5463ad98
Markdownae42ad708df527a339a6bae440393ebbded2fc0ac621a15f2baa47fc53ac88de
PDF
Publication page2eb1ed2160afe8d0ec10d76d52fe35e326c705984ae574f964cb0b16a2be5341
Manifestafee22c398c4be3e160f172d7f9c1cb8e897e7dd57cab60e7bb9f92be3009ae4

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
SignaturezRwJYItxBFPGX9vMI1Ah5y38PZkZ+uYV9408qnjo5BKQyty1lGxEuo2DYTp7pn8diM7s/9KUsPvmBqYPy0+0Aw==
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

2026-09-17T12:02:48.486387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016620
observed 2eb1ed2160afe8d0ec10d76d52fe35e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:48.468259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016620/manifest.json
observed afee22c398c4be3e160f172d7f9c1cb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:48.450219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016620/publication.md
observed ae42ad708df527a339a6bae440393ebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:48.431164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016620/publication.txt
observed a6005d25ed6cb95238941f1917b113bb...
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.