OpenTechnical

OT-2026-000066737

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000066737) never changes.

Identity and time

Publication numberOT-2026-000066737 · never reused
Internal UUID01a0ae8e-ce42-7e0e-a6ab-4ead1b35b9c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066737
StatusPUBLIC

Content hashes

Canonical text84457eb780d22d4e009cfc61b2aa337f2eea2bda2f7c4199752d7c8e2dcb490f
Markdown43522c885a3e0cd7d625788a7b7f4aecfe7e08673b4891955d21755ba02cd012
PDF
Publication page8e6971730ab1bff3fe2d1b9119b68f930cb5673021cfa865679383907b3f8be1
Manifest2d09170c4670a94679b5913e5efc014e2a11d0a30d57267f30ebd088a9bcb55d

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
Signaturek2BohJBWc22vs0yTUo0VCMq4xqApcdkjbowd6eKJeEJCHQ+2g1zrQ0hvIE9uEvDYcxDAFFNrfN4g18FObs8aDQ==
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

2026-09-17T10:33:08.761680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066737
observed 8e6971730ab1bff3fe2d1b9119b68f93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:08.743129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066737/manifest.json
observed 2d09170c4670a94679b5913e5efc014e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:08.726100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066737/publication.md
observed 43522c885a3e0cd7d625788a7b7f4aec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:08.708423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066737/publication.txt
observed 84457eb780d22d4e009cfc61b2aa337f...
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.