OpenTechnical

OT-2026-000003561

Publication integrity record

Bellows cup vacuum gripper, four outlet manifold, ejector fed, contact triggered on the face

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-2026-000003561) never changes.

Identity and time

Publication numberOT-2026-000003561 · never reused
Internal UUID01a0a90a-627e-76e5-8c6a-461f363e988e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:05.216930Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003561
StatusPUBLIC

Content hashes

Canonical text96129760bea4e96b3b2ed04538143e7efdf8a60cc17ca80ab65c0e34c4fc93e1
Markdownacdafb9cd16d6d8544fa98824a627f996381c80110d08efc3a580777d2dc46da
PDF
Publication page1e8167d2c197ff99596278b22489038309eece459bb6bd8bd4baa90c02625ea9
Manifestb891db80dcacf376194f0c78b88eb1475d0a6e86f36bad3abd30ceab7aa49a3f

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
SignaturegupxeeuH/x5OrzKkgVUH1rwtV9NubFt/XRDD89EUvUnJEPR4Rwl6ouP06o/9Pi3lqFjCLWPPvNHopfdskaB1Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:40:40.666988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003561
observed 1e8167d2c197ff99596278b224890383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:40.652166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003561/manifest.json
observed b891db80dcacf376194f0c78b88eb147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:40.634522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003561/publication.md
observed acdafb9cd16d6d8544fa98824a627f99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:40.491719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003561/publication.txt
observed 96129760bea4e96b3b2ed04538143e7e...
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.