OpenTechnical

OT-2026-000069191

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two 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-2026-000069191) never changes.

Identity and time

Publication numberOT-2026-000069191 · never reused
Internal UUID01a0ae90-6dcf-7f75-8fe8-ca6d75423e6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069191
StatusPUBLIC

Content hashes

Canonical texte6e1730194781a82c6c7611b7e020787b80eaf023d48875055708342f127e694
Markdownab2dcc3d984848c02be15a05d712f288254ac33b5af5696674d710dcfcb415e2
PDF
Publication pagecd15f39efaad32375ac9d7920c349db18f55ca6ba32cd2f0eeafe1d1fc4eae49
Manifest29f5547c38baf1cbeb2c7ccb1920ea7b8214a71214a4bd7c44625dba89122d74

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
Signatured7QWH3Byt9cL1ocEogXnPyKgp72YnmNlhOYgY2WE/au+uiQRZ6VLl/CrWe79suAhw956j0WtB5RsZ/73yJ8TCw==
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

2026-09-17T10:29:05.267886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069191
observed cd15f39efaad32375ac9d7920c349db1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.250686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069191/manifest.json
observed 29f5547c38baf1cbeb2c7ccb1920ea7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.232607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069191/publication.md
observed ab2dcc3d984848c02be15a05d712f288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.215672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069191/publication.txt
observed e6e1730194781a82c6c7611b7e020787...
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.