OpenTechnical

OT-2026-000005851

Publication integrity record

Porous face vacuum gripper, four zone face, three stage ejector, contact triggered

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-2026-000005851) never changes.

Identity and time

Publication numberOT-2026-000005851 · never reused
Internal UUID01a0a947-00d7-7a45-a1b7-93a636cdc107 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:13:17.914019Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005851
StatusPUBLIC

Content hashes

Canonical text9a4a276a72923bab034bbe82892706497b3bb9036aafc4f892b6506cdc2ff0d6
Markdown1caf972a9be388c2e7eee94aaee791aae8273da762a49a6c0cbb47253a498d72
PDF
Publication page81a5646d28fb2f9bb8a661ab8c619b8eee4fa35b4420448717e50adbf99fd6a3
Manifest50aa14c5e1b7ae0fa9c8e0e6c823562e4cb089d7cc6143793b102524c09e6525

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
Signaturewn9WkDABWaO8qQozkVHQ2IuLl6OcOMyU9ky7EakmZLC85+NG/GbncWrMX4YiRHfky7u1S1Hnt9Pcbyf1tsSQCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:25.476384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005851
observed 81a5646d28fb2f9bb8a661ab8c619b8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:25.463472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005851/manifest.json
observed 50aa14c5e1b7ae0fa9c8e0e6c823562e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:25.448113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005851/publication.md
observed 1caf972a9be388c2e7eee94aaee791aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:25.434520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005851/publication.txt
observed 9a4a276a72923bab034bbe8289270649...
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.