OpenTechnical

OT-2026-000003741

Publication integrity record

Vacuum cup gripper, three zone face, four outlet manifold, two stage ejector, pressure verified

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-2026-000003741) never changes.

Identity and time

Publication numberOT-2026-000003741 · never reused
Internal UUID01a0a90a-eb87-76b1-8ee4-622799dea268 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:40.297628Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003741
StatusPUBLIC

Content hashes

Canonical text6ab044a19be0d9f6c69c110158acc6092d8f3d067ecfc0ef401fe63b09d5a0be
Markdownbbbd695b414f620eecf3fe5634358ff58d709cd487e15147efd292547dc3e802
PDF
Publication pageba5ab30fd87f6ca37ed22353a9bd13f932d8484c24d0e03170523250be713c4d
Manifestdc08e0ec0f1ae980679f37ac2ce3a5a8c483214885b18c8593220a461c13d305

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
SignatureRjDL1Eq7G116gAgWVhrmVNeciqWYU3qVqHRe3One8LvnWNm6rIq8ldqF8nFm1Su9UIUtyYZoDoPVx/5gnq5+CA==
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

2026-09-16T07:10:23.404515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003741
observed ba5ab30fd87f6ca37ed22353a9bd13f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:23.390682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003741/manifest.json
observed dc08e0ec0f1ae980679f37ac2ce3a5a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:23.377910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003741/publication.md
observed bbbd695b414f620eecf3fe5634358ff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:23.361171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003741/publication.txt
observed 6ab044a19be0d9f6c69c110158acc609...
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.