OpenTechnical

OT-2026-000072798

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000072798) never changes.

Identity and time

Publication numberOT-2026-000072798 · never reused
Internal UUID01a0ae92-89da-776a-98e6-aec2fa087a81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072798
StatusPUBLIC

Content hashes

Canonical textb53f5ff6e93bf5423706b1af59fd4817aa557d659504317c5b13ee95867e0e7d
Markdown6e7457c6cf1a75babe3cfcb83896dbaa62bd121a11eb3fe6088db847012047cc
PDF
Publication page50b312c2c839d935f30b43f6708a1aeaa48da526d164179c294b376d6d48b4f5
Manifestd2ccdf573d80bab6865325e3a37a1162341245db9037e20a0be10f13fe7dbecb

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
SignatureaUoPmN2OxCF2bl+xMfR/7FUUuugxt5xF4P1eRHdvKeUD16++/oixWogXdoDzNlIG0y4OgNBpW8SWlF7TB/WKBA==
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

2026-09-17T10:22:42.705559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072798
observed 50b312c2c839d935f30b43f6708a1aea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.688569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072798/manifest.json
observed d2ccdf573d80bab6865325e3a37a1162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.672424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072798/publication.md
observed 6e7457c6cf1a75babe3cfcb83896dbaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.656478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072798/publication.txt
observed b53f5ff6e93bf5423706b1af59fd4817...
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.