OpenTechnical

OT-2026-000083668

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000083668) never changes.

Identity and time

Publication numberOT-2026-000083668 · never reused
Internal UUID01a0ae98-0416-758a-ab41-eb6c38bad080 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083668
StatusPUBLIC

Content hashes

Canonical textbcf5ec9ffc070584cf4686f08afec4fda4f7c6f18b8166ec48b10aab5fefd1b5
Markdownfb4a36dd6a2013c6a9d823ddd6903fc9906ae37d91763821e17953928c090a92
PDF
Publication paged17e5663cc451ad9c09d91ae63f96f4d69bea8adc0686782a3a86c1f83d2f8c5
Manifeste4ced144952ffaa18cedbf20cf2eb4b5de36154745f854ed8af5e917222f1c7b

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
SignatureVkRq02ccZCs72jbYYnRZ5xwNW5QAAT59KsTaqAjg6rTeSY4DCQVql8twRJDHXEpnYomdI+ldB6tWcFPuJPNkAQ==
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

2026-09-17T09:57:17.419434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083668
observed d17e5663cc451ad9c09d91ae63f96f4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.401841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083668/manifest.json
observed e4ced144952ffaa18cedbf20cf2eb4b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.383866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083668/publication.md
observed fb4a36dd6a2013c6a9d823ddd6903fc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.367007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083668/publication.txt
observed bcf5ec9ffc070584cf4686f08afec4fd...
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.