OpenTechnical

OT-2026-000041488

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off after set-down, on a tool changer

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-2026-000041488) never changes.

Identity and time

Publication numberOT-2026-000041488 · never reused
Internal UUID01a0ae79-b145-7d7d-832f-f1f5c178759a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041488
StatusPUBLIC

Content hashes

Canonical textbab6ceb69e847fff6f08a9df414aefe60bcce312ab03a32078b2141778b17f66
Markdown59783ddf8b8d47bad5a2b3a2db579c598c524edcf88eabead132dcde64b54015
PDF
Publication pagecd49dae0c39298488b394f913730694709da0daf12331d17ebb9dd89d6dccfaa
Manifest4a2b52aa0c35cdb5cd201dcddb63e5615b2b2e11a919c99768aa1c8581118726

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
SignaturecMIUF5wDj1u5Ikdi0nQCBAIq3wOy5sC6NS/i/zm7sh1zoqIxQz9fJJpwZrxG5N4KZz95TTHiwF8h0Rdt7qAECA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:17:31.335294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041488
observed cd49dae0c39298488b394f9137306947...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:31.317220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041488/manifest.json
observed 4a2b52aa0c35cdb5cd201dcddb63e561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:31.299481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041488/publication.md
observed 59783ddf8b8d47bad5a2b3a2db579c59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:31.281362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041488/publication.txt
observed bab6ceb69e847fff6f08a9df414aefe6...
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.