OpenTechnical

OT-2026-000083304

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000083304) never changes.

Identity and time

Publication numberOT-2026-000083304 · never reused
Internal UUID01a0ae97-c963-7bca-a9e1-0b680e8b05b6 · 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-2026-000083304
StatusPUBLIC

Content hashes

Canonical texta78b7ba77049b72a47badc5560360ebe1474b69b463cd2d1c3bcbedb2ecd0c9b
Markdown349270a994957c45dee6857697a60a59a25c195e8ddffa059e6d365e0c80713f
PDF
Publication page07ad3f28b8d01c3faa944418b743dc02306b2616853123ce8917541d0394321c
Manifest505258f98e47cc3089482ab748b8d7788f9ca99623fb63b94abbba2b62455912

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
SignatureCK0Uw/US4yDOlGiHGl3Mgvm1tyooZTzepU+iGEQ7+HLTxX4ujGiu45r7qi185ehM03BJq5jGz0cWfw1FrIUJCw==
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

2026-09-17T10:00:33.490998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083304
observed 07ad3f28b8d01c3faa944418b743dc02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:33.472084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083304/manifest.json
observed 505258f98e47cc3089482ab748b8d778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:33.452100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083304/publication.md
observed 349270a994957c45dee6857697a60a59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:33.434024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083304/publication.txt
observed a78b7ba77049b72a47badc5560360ebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.832669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083304
observed 07ad3f28b8d01c3faa944418b743dc02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.814972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083304/manifest.json
observed 505258f98e47cc3089482ab748b8d778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.799229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083304/publication.md
observed 349270a994957c45dee6857697a60a59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.784000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083304/publication.txt
observed a78b7ba77049b72a47badc5560360ebe...
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.