OpenTechnical

OT-2026-000034211

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000034211) never changes.

Identity and time

Publication numberOT-2026-000034211 · never reused
Internal UUID01a0ae75-df0d-75c1-8cac-9911ac858988 · 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-2026-000034211
StatusPUBLIC

Content hashes

Canonical textd8a925f1f7ddcef033dc2fea13fd6b8d1a30461c89c42315f56cd35201b7f021
Markdown2a53e663cf03272e320c3f0c4238b8cee5c4bd825071f92bb8cfed75fa2e92a2
PDF
Publication page047e8eb6037eaf3d2cb455bef407d4f77a0221e5b59ef21c7e513cc8559fd92f
Manifest1e863bedfbebb977f9f049d64107320752a2343b458242daddfa333f696f334f

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
Signature9yAkcFM7lT7fTSXYzEaZ8VDGUmwuioOHrgFNMiE6xf1A6ghtP+XBabhLh2EYgAI/8r0EgfXEQoIgs9g+v7daCA==
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

2026-09-17T11:30:45.419155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034211
observed 047e8eb6037eaf3d2cb455bef407d4f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.403621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034211/manifest.json
observed 1e863bedfbebb977f9f049d641073207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.385790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034211/publication.md
observed 2a53e663cf03272e320c3f0c4238b8ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.365351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034211/publication.txt
observed d8a925f1f7ddcef033dc2fea13fd6b8d...
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.