OpenTechnical

OT-2026-000079225

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, 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-2026-000079225) never changes.

Identity and time

Publication numberOT-2026-000079225 · never reused
Internal UUID01a0ae96-0b8f-7275-96b5-3eca320a75d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079225
StatusPUBLIC

Content hashes

Canonical textbc4c233e377e79edd2d5517561d3aee174bc16c795d65483336ba27376c21830
Markdownabde866d8ab3c75d1741e4ab3f62c223264557fdb61ec6a02f21ed716abb31aa
PDF
Publication pagef4dfa0420de7ceb07576d30073238a3cdcc60acccf8571c1b88480d9c95bd969
Manifestc979096e10a3399af1fc7ccd826408da92b4f5c9aea258162d7ceead83d7f34a

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
SignatureUkZk46IpyZtXat+tSqj8ZkahPj7gWBQMUHvy0wAN0aanGIDkY69GEWLPIUfqi3QkfYOKBqRemrCCH8XGH6AHAg==
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

2026-09-17T10:04:49.024632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079225
observed f4dfa0420de7ceb07576d30073238a3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:49.006446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079225/manifest.json
observed c979096e10a3399af1fc7ccd826408da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:48.990372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079225/publication.md
observed abde866d8ab3c75d1741e4ab3f62c223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:48.972086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079225/publication.txt
observed bc4c233e377e79edd2d5517561d3aee1...
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.