OpenTechnical

OT-2026-000072939

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000072939) never changes.

Identity and time

Publication numberOT-2026-000072939 · never reused
Internal UUID01a0ae92-c815-7cd6-bae1-ad8275bd60ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072939
StatusPUBLIC

Content hashes

Canonical texte70b2c7e9fa97e6b384a21925a35034c1416c05d76dff17d1b2d8c7b0ac98a84
Markdown004ea98de71bd1fd68141319dfda13eb899c3432cfcf32eaea782350a99d5a43
PDF
Publication page19104605f6acacd5bfe2512ca9a1dee383325d8e8fe5500a530a157d5e6721f4
Manifest919709cf99000afdc7eb07ea788e34b96a720dfea1d3692ea6df42cef37aea3d

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
SignaturefJCcx3VvBmrixmZA26rm952n5cTzvezd8qnQRlQKjrgtq3GWgz5riU+P+/iYxgD6Toy00SoitNzY47+qckUZBg==
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

2026-09-17T10:21:51.461602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072939
observed 19104605f6acacd5bfe2512ca9a1dee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:51.442974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072939/manifest.json
observed 919709cf99000afdc7eb07ea788e34b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:51.423294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072939/publication.md
observed 004ea98de71bd1fd68141319dfda13eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:51.404833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072939/publication.txt
observed e70b2c7e9fa97e6b384a21925a35034c...
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.