OpenTechnical

OT-2026-000003737

Publication integrity record

Vacuum cup gripper, per zone isolation, two outlet manifold, two stage ejector

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-2026-000003737) never changes.

Identity and time

Publication numberOT-2026-000003737 · never reused
Internal UUID01a0a90a-e888-7086-9ed9-fb9f6e72df4b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:39.531328Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003737
StatusPUBLIC

Content hashes

Canonical textb4ce20bf5e7df934e96e23f1d7e05a30e2bedc15080c8efa5b4e80db71094613
Markdown6299929bffe2ddbd7386c2d1766249bbffc8eec2a868ea0a052bc0315ce8232c
PDF
Publication page69719d12b218a6051ab031c2878577d2d2bb1f3b6be04d2fc71bd0284353c0a1
Manifeste61e30c003a434d822b29cc00ec6f0e4d1646a226afefa580b3e0bd073d2577b

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
SignaturePLhbqVqewJz4R/NXpw0S8Anesgl3D5VDRsH8QzQckBJTV15QgAJjafUlAqswjWItC59r45Lx22kHTHQkKRFIBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:50:33.478276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003737
observed 69719d12b218a6051ab031c2878577d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:33.405177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003737/manifest.json
observed e61e30c003a434d822b29cc00ec6f0e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:33.393903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003737/publication.md
observed 6299929bffe2ddbd7386c2d1766249bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:33.378885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003737/publication.txt
observed b4ce20bf5e7df934e96e23f1d7e05a30...
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.