OpenTechnical

OT-2026-000084055

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, sustained 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-2026-000084055) never changes.

Identity and time

Publication numberOT-2026-000084055 · never reused
Internal UUID01a0ae98-5b5e-7e77-8b9e-09ceb4df8001 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084055
StatusPUBLIC

Content hashes

Canonical text5f011477de3bb204aed6b3f53d17a1ed9212222df261dd022ecfe1b84ba3d73d
Markdowne5d561b8ab95b965a968b3a7ac7c3f8c55b59d5c076af610665556f01e41c60d
PDF
Publication pageab69a9e92052e34c95cd6480011713984596ccb7480c5cfe0cbdb5ffc1710b19
Manifest85c3f49572b812b1c0766bbd6da79dd95c84f2884b36fde218c233862c0163c5

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
SignatureLW+nMs+uuYL+WACBuA4gboZtw0eMT94bOL0FM9Q+vY0kU5GxHb85qGTO7sFVcwxs4bcIerty7XxqlH5D9bOLCQ==
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

2026-09-17T09:55:47.409170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084055
observed ab69a9e92052e34c95cd648001171398...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:47.392086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084055/manifest.json
observed 85c3f49572b812b1c0766bbd6da79dd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:47.376052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084055/publication.md
observed e5d561b8ab95b965a968b3a7ac7c3f8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:47.358287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084055/publication.txt
observed 5f011477de3bb204aed6b3f53d17a1ed...
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.