OpenTechnical

OT-2026-000083686

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented after set-down

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-2026-000083686) never changes.

Identity and time

Publication numberOT-2026-000083686 · never reused
Internal UUID01a0ae98-0416-71cd-a8f4-a3119492da5d · 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-2026-000083686
StatusPUBLIC

Content hashes

Canonical textde6f10a0d63f7e44204c512116003e1e14a79f91105a2a401b4b4df769cfe199
Markdown43665ac3c3395ed9116ad8bd9a4691533ae57be1911b07d5615a1bd68db8f60f
PDF
Publication page3434ac09fe3174e2e4ff713799d3dd56332b7c41671f43907ff24e7c542e97db
Manifest03e76121fc8b6613e64d2fab7881b1b63bad920bf9b7da1bf83a5ea0498388b3

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
SignatureL0smiHyjJd3agFre/s5NdXqb8Tw2x717fKA5ijGbKqVaDjmcJimuQ5f+VuBG8J08au3DMC8T8bZJsx8w5OYPDA==
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

2026-09-17T09:57:18.689082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083686
observed 3434ac09fe3174e2e4ff713799d3dd56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.671682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083686/manifest.json
observed 03e76121fc8b6613e64d2fab7881b1b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.656981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083686/publication.md
observed 43665ac3c3395ed9116ad8bd9a469153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.640109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083686/publication.txt
observed de6f10a0d63f7e44204c512116003e1e...
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.