OpenTechnical

OT-2026-000013852

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000013852) never changes.

Identity and time

Publication numberOT-2026-000013852 · never reused
Internal UUID01a0ae6d-8de9-78ba-a9be-a5002959e957 · 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-2026-000013852
StatusPUBLIC

Content hashes

Canonical text07bf0d39cefc33951f4882d17e68e9a6187fb70d1a88862c432e13caeaf56704
Markdown36782e193d64e37d9fddc6887a15f595343191c592c1f2f8bbcb371430bf3523
PDF
Publication page418c4d10b922549fe40ea48b6e7ae07ab93869fef5fb2f5f9952ae3fc47ce4b8
Manifestd5e6dceec3906becc93e935c07acaf1d65b94abb5d3532898e7e6cdb16e72c53

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
SignaturersYOUvdzf9jzQ/epO7O1r3dv+frOTutncqWKVWvuPXwKhrIsLKYJdVk9uMMkNpo1alCIWueGJeuAjrUlRwLSAQ==
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

2026-09-17T12:08:57.668101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013852
observed 418c4d10b922549fe40ea48b6e7ae07a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:57.648826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013852/manifest.json
observed d5e6dceec3906becc93e935c07acaf1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:57.629612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013852/publication.md
observed 36782e193d64e37d9fddc6887a15f595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:57.609489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013852/publication.txt
observed 07bf0d39cefc33951f4882d17e68e9a6...
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.