OpenTechnical

OT-2026-000083400

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000083400) never changes.

Identity and time

Publication numberOT-2026-000083400 · never reused
Internal UUID01a0ae97-c964-7a58-8572-4789400c4926 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083400
StatusPUBLIC

Content hashes

Canonical text8e00e0b4ddb6d8e1707542fb4843aef8b4444ea1e29e697acc29c2d37c2cb9c3
Markdowneee7556d057045e287f4fa13dcfea2e92682fa675ec06c43bda7a71d67d69b65
PDF
Publication page609e373a421a111e6dbfde08e227ff2e10f0deab9927b7ad3f6a213158e85ddd
Manifest16e6b6028e04b2fbf4a210a55b30322015d2bcdf71a35b51c0c5e34c9003bd17

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
SignatureUcxKp+QCI8sDGNp+fsKvclwx8mW5zF+Q9AfoIDcw3w2lbtt2plXUOqJFm/4KZpdPGwq+7PcAw/uHHRKnuUXSCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:00:52.092131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083400
observed 609e373a421a111e6dbfde08e227ff2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:52.075329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083400/manifest.json
observed 16e6b6028e04b2fbf4a210a55b303220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:52.059492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083400/publication.md
observed eee7556d057045e287f4fa13dcfea2e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:52.042840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083400/publication.txt
observed 8e00e0b4ddb6d8e1707542fb4843aef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.643047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083400
observed 609e373a421a111e6dbfde08e227ff2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.627610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083400/manifest.json
observed 16e6b6028e04b2fbf4a210a55b303220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.611745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083400/publication.md
observed eee7556d057045e287f4fa13dcfea2e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.596303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083400/publication.txt
observed 8e00e0b4ddb6d8e1707542fb4843aef8...
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.