OpenTechnical

OT-2026-000013924

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, pulsed blow-off before set-down

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-2026-000013924) never changes.

Identity and time

Publication numberOT-2026-000013924 · never reused
Internal UUID01a0ae6d-8dea-706e-ad79-badcb76c6efc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013924
StatusPUBLIC

Content hashes

Canonical text8a5d4ab7f2fa6fdd449c73e65944db6bef6642aee60d8cc4f8afd8b022c2425b
Markdown7ab6981be9b854bb67ee982059b62a7fb44f9244f2fc6d3a1fd72d38df7741f4
PDF
Publication page44f10c4632735e5abbe1fe6166058da3a3f6c58bdec5b98fa77d20f9d52bf52e
Manifest8959cd53b47fa1fb4538a858b9582587b0ec95df3cfbcdbc29089779b75b2032

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
SignatureSBOkkv0NE3yTgFxqxnFVT2e3W7FS9nu/GphjhkKUBORZs+4k4msDuYHMJ3fTywJ+rhSLXKhsH28jRd5pUqllDg==
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

2026-09-17T12:09:03.526232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013924
observed 44f10c4632735e5abbe1fe6166058da3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:03.507473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013924/manifest.json
observed 8959cd53b47fa1fb4538a858b9582587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:03.489610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013924/publication.md
observed 7ab6981be9b854bb67ee982059b62a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:03.470557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013924/publication.txt
observed 8a5d4ab7f2fa6fdd449c73e65944db6b...
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.