OpenTechnical

OT-2026-000076785

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000076785) never changes.

Identity and time

Publication numberOT-2026-000076785 · never reused
Internal UUID01a0ae94-b06f-7502-a60c-83d6bc6da0f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076785
StatusPUBLIC

Content hashes

Canonical text3bca8b209b9ba7653d6579e98e485f0de344a03f2cd22165086eff659c295587
Markdown50ac16bcfc4ec6559e9d00f920fb15ef9f53139aa6725b0a3075f37ef75c926d
PDF
Publication page3315cfc5e0b7d3f821a83902ac2d6bf5ffa057c8a022351f388cd1b74215f63f
Manifest6ca6bdf2267c5162c68b0256c84c491a94b859090dd75ca5914aed65f8fa6fe3

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
SignatureX+NtDGsYKKZXd1WQNDb8xQ9B3u2lwc1uF8d0Gt1A+aDLtiHDMSI5z/2ncpJsJNNFDqFjeb/bi6pqjyZqXdUqDw==
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

2026-09-17T10:09:38.929251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076785
observed 3315cfc5e0b7d3f821a83902ac2d6bf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:38.911125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076785/manifest.json
observed 6ca6bdf2267c5162c68b0256c84c491a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:38.892271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076785/publication.md
observed 50ac16bcfc4ec6559e9d00f920fb15ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:38.871759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076785/publication.txt
observed 3bca8b209b9ba7653d6579e98e485f0d...
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.