OpenTechnical

OT-2026-000079444

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000079444) never changes.

Identity and time

Publication numberOT-2026-000079444 · never reused
Internal UUID01a0ae96-0b91-7dc0-8053-e6a2a695f54a · 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-2026-000079444
StatusPUBLIC

Content hashes

Canonical text984f37aa848cf14318d745661a23da3164cad1bd7511239bb8adaa41b502f4a7
Markdown85ed5374a50b9f02e7cd350687de8caf0cef530da4d4c89a043b53b498ba4098
PDF
Publication page8de84ad98962d4b3d75cbd4dddd6d7bc8b49019791e5d10e828c01f71aa48f6d
Manifest3eba6fd45d6a5448a0bf404173c20bbdeaa83ee18c0f7b34a946fb3c1ae6b8d8

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
SignaturenEBerHcyiFvNDxupGAm88vJagF68aqN0pVnJsb1AJYq9b+wukgIJOy9+vp6XCsxMP5fcCDydjWZ/0ApyoN6oDw==
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

2026-09-17T10:05:04.138795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079444
observed 8de84ad98962d4b3d75cbd4dddd6d7bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.120444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079444/manifest.json
observed 3eba6fd45d6a5448a0bf404173c20bbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.101443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079444/publication.md
observed 85ed5374a50b9f02e7cd350687de8caf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.083302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079444/publication.txt
observed 984f37aa848cf14318d745661a23da31...
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.