OpenTechnical

OT-2026-000073427

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000073427) never changes.

Identity and time

Publication numberOT-2026-000073427 · never reused
Internal UUID01a0ae92-efb8-7a99-bc05-51e3661797f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073427
StatusPUBLIC

Content hashes

Canonical text96858de65070e78fb81e259dd39fb9288d1f77e46b6bea1e3ad962c1fa5919c2
Markdownc5125bc0788f2d9f6becd255cfe247f38d3a4751ad6a2844a9467acb48827c49
PDF
Publication page6eae3d834b4fa2371750c01bcf25404260ed392cd2bacfc51bce264b2edd518d
Manifesta81fcc390749498f540e6a0ed01484520bb109e785520deeb996e59a01c4fcb2

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
SignatureuVTjd1SZNv6xGdFvG8Qg3Drs+OfbofuwBKZ+7icsGQIkXAR/P/1oeqMf7pJfcQtAcxCnU+1atGuDnqlN3UvwDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:34.735013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073427
observed 6eae3d834b4fa2371750c01bcf254042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:34.716856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073427/manifest.json
observed a81fcc390749498f540e6a0ed0148452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:34.697731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073427/publication.md
observed c5125bc0788f2d9f6becd255cfe247f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:34.680242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073427/publication.txt
observed 96858de65070e78fb81e259dd39fb928...
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.