OpenTechnical

OT-2026-000013856

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000013856) never changes.

Identity and time

Publication numberOT-2026-000013856 · never reused
Internal UUID01a0ae6d-8de9-7548-bf89-2c4e57b155d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013856
StatusPUBLIC

Content hashes

Canonical textbb663d4989cb6384c0c37d2a1fa12811bbd955f0fa5a9e2929310e1caccb7cd3
Markdownf82a1a87e892d4c30ab6fde2525cb3bdc88c9b5f2c429052f343c513c14122be
PDF
Publication pagee7286c27c73e23c787fcbba2a0176735439466adb8752e5cbf667d9cd32b3586
Manifest5270b25d6cb1376a7a341cbbd27d9f08af878549f52803f7a947b4647832982c

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
SignaturebyqAbF1vX32zSMT9z0d+JXG5DPRj489d7sC/94AdlkiDm73Q+GC+Gpp8XYZ/D6q4bTswqWo6KWI8G0AmCOBcBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:08:58.012864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013856
observed e7286c27c73e23c787fcbba2a0176735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:57.993891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013856/manifest.json
observed 5270b25d6cb1376a7a341cbbd27d9f08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:57.952803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013856/publication.md
observed f82a1a87e892d4c30ab6fde2525cb3bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:57.916456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013856/publication.txt
observed bb663d4989cb6384c0c37d2a1fa12811...
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.