OpenTechnical

OT-2026-000076575

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000076575) never changes.

Identity and time

Publication numberOT-2026-000076575 · never reused
Internal UUID01a0ae94-b06e-7d05-a345-833901bd1ba2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076575
StatusPUBLIC

Content hashes

Canonical text5fdee0cdb3cb73d9a29f581e8fba7cc352db08473888e9e8034b59fcbf420c4b
Markdown20085c85ee318113f4df3d555491d9298c248571eda3546d36cf42f8b9e612b8
PDF
Publication page553420bc569221437c99c7fe2dc578038a74636c9e6704c0319aa53bfb0a7717
Manifestde968139891dad67831853f671a0f898dd98538104fed159374dfe7ad42d0bab

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
Signatureb3RT9lE0JoWHzFtPtKRIxsckyVR6z4UnZUZjs5coi+Lf25OOQsLX9F5/rG7UW3f1S9F1DTYPKRg8pNnq1gAOBA==
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

2026-09-17T10:09:17.739728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076575
observed 553420bc569221437c99c7fe2dc57803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.720623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076575/manifest.json
observed de968139891dad67831853f671a0f898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.703417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076575/publication.md
observed 20085c85ee318113f4df3d555491d929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.685050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076575/publication.txt
observed 5fdee0cdb3cb73d9a29f581e8fba7cc3...
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.