OpenTechnical

OT-2026-000074459

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000074459) never changes.

Identity and time

Publication numberOT-2026-000074459 · never reused
Internal UUID01a0ae93-717a-7992-8e86-edeffa4bdada · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074459
StatusPUBLIC

Content hashes

Canonical text6345889f047fb4f275a7090cbb99ceeee8d932ab638b88b685d057b553248d34
Markdownda41540238a01cdd44b54d1e1b862202a1e179e39cc58394f6d6b731f58808f9
PDF
Publication page5f2c736fb38660769bfb23d09009d9db63d46c67a23fececbffeb85b804e5661
Manifest6103c886b86412654879714d162fc9e654896423a2a2d0e58c6b1a74ff3a3011

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
SignatureiD90FPpg/cl7AD5cyHYVxvPAkQa7n2oxzLfFszVHHf01HLnfvbg799azOTsHKy/dYIVSvIEIf5PBzTkCdi7EAA==
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

2026-09-17T10:19:25.033644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074459
observed 5f2c736fb38660769bfb23d09009d9db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:25.014311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074459/manifest.json
observed 6103c886b86412654879714d162fc9e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.982697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074459/publication.md
observed da41540238a01cdd44b54d1e1b862202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.953214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074459/publication.txt
observed 6345889f047fb4f275a7090cbb99ceee...
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.