OpenTechnical

OT-2026-000083023

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, sustained 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-2026-000083023) never changes.

Identity and time

Publication numberOT-2026-000083023 · never reused
Internal UUID01a0ae97-c961-7263-b6f1-f3497d942bff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083023
StatusPUBLIC

Content hashes

Canonical text7a414950afeee67e730a511727b076a741092ad8364b74395cd02f8744c1f14f
Markdownad560aceaeba4eb5e6ea8958591726c105d70769d526b2b7a0700a816786588e
PDF
Publication page5764cd3d61364e2764db95c560999dad7175137e4d41b0a692436186be90dd7e
Manifestaff160d0262bf51d4a08f945fa141786fcdfb3a94159372092558f0aa8d364ad

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
Signature4Gm9NfStRa/1MM5s9/3JSoe/aSrf6Fay34FWEV/vkNWCBepY7kvyM2pahMHwHvNt1bc/DCiZpxXf2LAQy3XEDw==
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

2026-09-17T09:00:19.665272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083023
observed 5764cd3d61364e2764db95c560999dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:19.648183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083023/manifest.json
observed aff160d0262bf51d4a08f945fa141786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:19.632933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083023/publication.md
observed ad560aceaeba4eb5e6ea8958591726c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:19.616597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083023/publication.txt
observed 7a414950afeee67e730a511727b076a7...
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.