OpenTechnical

OT-2026-000083290

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000083290) never changes.

Identity and time

Publication numberOT-2026-000083290 · never reused
Internal UUID01a0ae97-c963-7e57-adb4-a7177c7f9497 · 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-2026-000083290
StatusPUBLIC

Content hashes

Canonical textf8fef1033be4e8e1c7622515ddd8149b37d5d12906ab37b8ce2f521bc3cebfce
Markdown51a96e4de13b7f44034cb3528547c0f55da9ec05260b4917d6370b6c30f82d90
PDF
Publication page96c30957f779fca55ccd7649a2a38acb27ecbc05e4d42729f9985517cd789df3
Manifest2342caf943ccfb4b421d7cb6c28c756e4048cdc947f549b388fbe04b14f66d69

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
Signature40VFCGPCQPGKfL29pC+SdQUE/RM/E83m97g9h7TVsC0AvYKk++6TaamsPuaNdBn7YjcwNWWjyGGnVVhWx68zCw==
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

2026-09-17T09:01:26.400527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083290
observed 96c30957f779fca55ccd7649a2a38acb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:26.378731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083290/manifest.json
observed 2342caf943ccfb4b421d7cb6c28c756e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:26.356054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083290/publication.md
observed 51a96e4de13b7f44034cb3528547c0f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:26.334620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083290/publication.txt
observed f8fef1033be4e8e1c7622515ddd8149b...
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.