OpenTechnical

OT-2026-000079155

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-2026-000079155) never changes.

Identity and time

Publication numberOT-2026-000079155 · never reused
Internal UUID01a0ae95-ccbf-7017-a193-e3924a6c2252 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079155
StatusPUBLIC

Content hashes

Canonical textb3328607f1c9ee7f5b3ec995bb458d6aa85621441f20cb8e82b226b477245475
Markdownebdf0829ae7442e8db4d009d527c38d39829f7386a82255240f81197b17350b8
PDF
Publication page368ef99b72c52f97150e08b61b65b75da099b22296e283454fda1773367564f4
Manifest1adb2fcc25c4b6ba0da7e24fc6351852061fe19b9af6874814870a15c03bf2a0

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
SignatureoROhwkiP/COE/YMiYd4qYonjXb3IfyBPW5HUUpAzJMcFz++sDJz2r4OQtwOn7wvExUpHG1J3LYyofbSBmqQiAg==
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

2026-09-17T10:06:00.321597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079155
observed 368ef99b72c52f97150e08b61b65b75d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:00.303547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079155/manifest.json
observed 1adb2fcc25c4b6ba0da7e24fc6351852...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:00.283826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079155/publication.md
observed ebdf0829ae7442e8db4d009d527c38d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:00.263866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079155/publication.txt
observed b3328607f1c9ee7f5b3ec995bb458d6a...
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.