OpenTechnical

OT-2026-000034274

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000034274) never changes.

Identity and time

Publication numberOT-2026-000034274 · never reused
Internal UUID01a0ae75-df0d-79db-9cb1-0e039bdaf6c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034274
StatusPUBLIC

Content hashes

Canonical text5bb8680fb29a8670cdf6b6145a8075378d03e55de4a333c23013a8502b767874
Markdown136b3fdd01eeea04b2a8ee9aa8a86014a9581333025cc502d151ef4e7b2e4cab
PDF
Publication page8459a7866707bee6117efadece2c16cc6c443666bda55a1877981ec7b381d323
Manifest41442eeb135bb653415364f96c4bfc20db3412d7a803ccec997cf9e1a9395db6

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
SignaturejTzFxZIjDoGHJed/FOxGIsq2cR0UCTHmYOqWuBcovtfjnpaRS3a3Cwl7V9ibXwM4XOrjsd4x9DjIc2UUVTvmDg==
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

2026-09-17T11:30:57.162509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034274
observed 8459a7866707bee6117efadece2c16cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:57.144206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034274/manifest.json
observed 41442eeb135bb653415364f96c4bfc20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:57.127123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034274/publication.md
observed 136b3fdd01eeea04b2a8ee9aa8a86014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:57.109399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034274/publication.txt
observed 5bb8680fb29a8670cdf6b6145a807537...
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.