OpenTechnical

OT-2026-000033286

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after set-down

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-2026-000033286) never changes.

Identity and time

Publication numberOT-2026-000033286 · never reused
Internal UUID01a0ae75-897f-72ee-a664-9dde005c5556 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033286
StatusPUBLIC

Content hashes

Canonical textff25e233a76c1d18fbd6d049718c4a6b6fe517eeaa135ed4014022dcf17c9b60
Markdowna0aa5f9e469710728101539f65a7f8580b0932f1ac4d6f151a3dfc65f7b423ce
PDF
Publication pageca8c7dd80621000d594eeba5010efea930f5d7f20caf691ab4e47f2ae19f81bf
Manifestc78efef195161af73df46db05b3d1ec3dd2f7fb3f10eace6cb2af51b61bbaf73

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
SignaturevJTA3Y4aEXMFe66sYmN/ANGyzo/Hy0wOLWNH2wQW25RMrlhAtBJQS+xgoQdZuRqxyPoXNaH0ZLk9Ff1FihWrAQ==
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

2026-09-17T11:32:01.757822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033286
observed ca8c7dd80621000d594eeba5010efea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:01.735371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033286/manifest.json
observed c78efef195161af73df46db05b3d1ec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:01.717691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033286/publication.md
observed a0aa5f9e469710728101539f65a7f858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:01.701030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033286/publication.txt
observed ff25e233a76c1d18fbd6d049718c4a6b...
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.