OpenTechnical

OT-2026-000004325

Publication integrity record

Vacuum cup gripper, four zone face, two outlet manifold, plant vacuum fed

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-2026-000004325) never changes.

Identity and time

Publication numberOT-2026-000004325 · never reused
Internal UUID01a0a914-0f22-7fa0-b4d0-8b82adc75350 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:17:39.237615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004325
StatusPUBLIC

Content hashes

Canonical textd0c428756d2676b85455326394bb744aa08ffaf185a749506faeec870f9a3c5d
Markdown74031e688c1a691111fadb6d98b75ada5eb45432d009a12e06f12495551c00eb
PDF
Publication pagea81185a4749d6d23b5695316801ca317cc05d41669e1f28355f45b2b5c5a99c8
Manifest579fde46c05e07ea77648fa4b418a47dba3172b1dbc3d52d4c7fb3b8c2d7c1e7

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
SignatureLjql45mv1bZ+xuAv28s64XaheOV+x+qmE6OFZIBuhND26U2M0ZrqhNGNKFsQqglLNy8BplQwCl4h1xQSSjHTAw==
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

2026-09-16T07:20:10.696549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004325
observed a81185a4749d6d23b5695316801ca317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:10.682209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004325/manifest.json
observed 579fde46c05e07ea77648fa4b418a47d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:10.668271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004325/publication.md
observed 74031e688c1a691111fadb6d98b75ada...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:10.653997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004325/publication.txt
observed d0c428756d2676b85455326394bb744a...
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.