OpenTechnical

OT-2026-000069333

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000069333) never changes.

Identity and time

Publication numberOT-2026-000069333 · never reused
Internal UUID01a0ae90-b529-71c4-9194-90968fd49b5c · 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-2026-000069333
StatusPUBLIC

Content hashes

Canonical textf3f801f2ce6f39d979b36e685981aee50d226d8b14d2d94a942f61a3b9d1ad86
Markdown21e348247206a4257598e994b64b46a7548028af587d1b353f4ad90cccb4f699
PDF
Publication page95a75eac33402c017c79602377ab97ce053043c24d19736c2156d89224ce6308
Manifestf1342f8edeac75c3f359d96b4b9e146d7156299b86e87e3e8c53bccd17d06f16

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
SignaturemghN2y8yCdIWLiVYSrLRxCQ+/4z7TERNCeCv0jC7/894kAs7K541M47f8c2eabucyXxBbC4WY0TblOejE8LDCA==
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

2026-09-17T10:30:06.684769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069333
observed 95a75eac33402c017c79602377ab97ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.643438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069333/manifest.json
observed f1342f8edeac75c3f359d96b4b9e146d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.624283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069333/publication.md
observed 21e348247206a4257598e994b64b46a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.602175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069333/publication.txt
observed f3f801f2ce6f39d979b36e685981aee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:54.784842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069333
observed 95a75eac33402c017c79602377ab97ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:54.766800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069333/manifest.json
observed f1342f8edeac75c3f359d96b4b9e146d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:54.749852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069333/publication.md
observed 21e348247206a4257598e994b64b46a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:54.731024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069333/publication.txt
observed f3f801f2ce6f39d979b36e685981aee5...
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.