OpenTechnical

OT-2026-000084287

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, sustained 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-2026-000084287) never changes.

Identity and time

Publication numberOT-2026-000084287 · never reused
Internal UUID01a0ae98-5b61-7f96-b656-982fb228dc14 · 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-2026-000084287
StatusPUBLIC

Content hashes

Canonical texta97a66ebe733b4ab79f7a8d2244c4ec29a7c6b40b9b54eb3409516990d5ac4b2
Markdown10ba6a1ef15170472c02f758a2dc521e0d654479b15594166b2459646a251c9f
PDF
Publication page7801264bf85aa51b6bf02f5b596f8229188cff08179afda6ebbfdde82802c831
Manifest5bb8ae7f9c3e7bde05ce84148c98d07c7179ce5c7453ebb2f4812c60ee76ef22

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
SignatureedEkxNR07wtpeyPUfSK4rWcypcjpLlqNTAds5np+h9dD8ZPAbI5usfuFj2dUKpys8VKlseC+K9pYLiZ9BzrKCA==
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

2026-09-17T09:56:12.466527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084287
observed 7801264bf85aa51b6bf02f5b596f8229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:12.444470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084287/manifest.json
observed 5bb8ae7f9c3e7bde05ce84148c98d07c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:12.428009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084287/publication.md
observed 10ba6a1ef15170472c02f758a2dc521e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:12.411417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084287/publication.txt
observed a97a66ebe733b4ab79f7a8d2244c4ec2...
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.