OpenTechnical

OT-2026-000072001

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000072001) never changes.

Identity and time

Publication numberOT-2026-000072001 · never reused
Internal UUID01a0ae92-47c0-703a-b74d-f9e39aa5f34e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072001
StatusPUBLIC

Content hashes

Canonical textd6c9c7807d0f27d4034e73277dfe3484a53001d542abf6d651435151d583954a
Markdown779ee9a395576aa23577c39251f0b0930e202488d5da7598ef5696c70ac49af3
PDF
Publication page3f1950f00a81da6ec25917873270dcfae4cd7651828d37e7e6caa77608b6536f
Manifeste4038b1c2aee9aefd2a1b355a044ae4e43f877da29279b03b2d7ce7a296f5ad2

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
SignatureZgMri9mKZEQLmw4cI/j6glRiPQaMHMlZcQuRru8iFbtIil+5d6PMUMxpIzwnFxPqfwJ1Uvc+95HqJu75dbFfCw==
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

2026-09-17T10:23:03.705052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072001
observed 3f1950f00a81da6ec25917873270dcfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:03.688629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072001/manifest.json
observed e4038b1c2aee9aefd2a1b355a044ae4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:03.673574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072001/publication.md
observed 779ee9a395576aa23577c39251f0b093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:03.657269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072001/publication.txt
observed d6c9c7807d0f27d4034e73277dfe3484...
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.