OpenTechnical

OT-2026-000088314

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000088314) never changes.

Identity and time

Publication numberOT-2026-000088314 · never reused
Internal UUID01a0ae9b-5d27-73a2-8979-fe6ce7dfe886 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088314
StatusPUBLIC

Content hashes

Canonical textdf7ae9a7174e6ad043dac26715d9f0f6cef9ff0c65a894a36f99617a68e7827b
Markdownc7f59641bede3667b354b094c151e61256cf41b257b4bf0900eda179d6934c49
PDF
Publication page8ae1c50abbac52fb6421e04deaa728e1e7414e5d0c2567f1cd1f738e65d97f5a
Manifesta93bef4cb779a20290c5105c11a85a11ffd94223addb3f67180b32a88d5fd4ae

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
SignatureCyyuRG07ipeq8PrVA82vXHo31qKNouVVyv1NNiKSAru8iJhjG94G2901ouG17dHP9tYtqsvkt/9uiXqT6+bPAA==
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

2026-09-17T09:48:34.489907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088314
observed 8ae1c50abbac52fb6421e04deaa728e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:34.472115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088314/manifest.json
observed a93bef4cb779a20290c5105c11a85a11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:34.455815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088314/publication.md
observed c7f59641bede3667b354b094c151e612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:34.438469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088314/publication.txt
observed df7ae9a7174e6ad043dac26715d9f0f6...
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.