OpenTechnical

OT-2026-000004524

Publication integrity record

Bellows cup vacuum gripper, three zone face, four outlet manifold, ejector fed, 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-2026-000004524) never changes.

Identity and time

Publication numberOT-2026-000004524 · never reused
Internal UUID01a0a91a-d624-71a8-8a25-42d8a4f16637 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:25:03.399636Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004524
StatusPUBLIC

Content hashes

Canonical text579fde74a0d9c2b447181d27e297a729215d487147f83295e9eb03b055432bd9
Markdown4052a62fd54e9905a991465cf6bab1471a7b347a9c7f2f848e20154d17b8a4c2
PDF
Publication page0600be7304863e3c89e8f97e90ca95e8e9a3ec67a622528adf592de3960bea86
Manifest54a871855eac08a5fb1a82fd2d2aafa0c251c38ebfe134da688231eb53b3338a

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
SignatureSkpaCXuC6RJFyunAcLoWgFNzcH9X8hOepVxBdqXx0XJaobtbE7hkh6ciBMy+WSBolaIPCB0RzzUN+g/5Gh45Dg==
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

2026-09-16T07:30:18.464670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004524
observed 0600be7304863e3c89e8f97e90ca95e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:18.451559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004524/manifest.json
observed 54a871855eac08a5fb1a82fd2d2aafa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:18.438805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004524/publication.md
observed 4052a62fd54e9905a991465cf6bab147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:18.426035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004524/publication.txt
observed 579fde74a0d9c2b447181d27e297a729...
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.