OpenTechnical

OT-2026-000069715

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000069715) never changes.

Identity and time

Publication numberOT-2026-000069715 · never reused
Internal UUID01a0ae90-b52c-722c-abf2-6e283c66cd75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069715
StatusPUBLIC

Content hashes

Canonical text3fdf95b87b73965dd25b5a9693523b2253f26681b3b9c0814bfb657ff5f55499
Markdownade7bd4120ad6c266a61e8bf3fbb6ebf5f0fc758c61a63fefdcbba6973bb3e24
PDF
Publication page18f88027db9c565e6e9512e1b15b3aceb8bb61b13877d69d61c2daeecaf6fffe
Manifest3374fc1b414595c5240a2fbff64c6710e9d9e056b85b4e0620ca8573af91a25c

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
SignaturedAex010HkWK4JqJswE6NOy76Goy7/wxfPxh7ov5ADI8CUjEwaU3a8SFaP7GaQmn/hrsKM+TUsJSJiiTPpO2kDg==
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

2026-09-17T10:28:29.071432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069715
observed 18f88027db9c565e6e9512e1b15b3ace...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:29.052715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069715/manifest.json
observed 3374fc1b414595c5240a2fbff64c6710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:29.035366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069715/publication.md
observed ade7bd4120ad6c266a61e8bf3fbb6ebf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:29.018005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069715/publication.txt
observed 3fdf95b87b73965dd25b5a9693523b22...
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.