OpenTechnical

OT-2026-000004099

Publication integrity record

Vacuum cup gripper, three zone face, three outlet manifold, three stage ejector, pressure verified

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-2026-000004099) never changes.

Identity and time

Publication numberOT-2026-000004099 · never reused
Internal UUID01a0a90e-ad20-7b9f-b6f3-e8da93982e5e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:11:46.466987Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004099
StatusPUBLIC

Content hashes

Canonical text9842596894dd4fa8783d6aee8e7b85c02c04d46cc60e128fdad3f29816ce0044
Markdown7e4450aba3ace25cf73c9d88e445d4e6aa13b16d68e800f0d23c8c8088efb184
PDF
Publication pagee1787c50c7169949444977f968c20928740128e231b164e8cfcc03b42776b646
Manifestf052406b8c66a89884d739ef7c455251ecfa75475e42276ac95e793345cae4ec

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
SignatureB/UtPv/YPNyQs5w0WE98JV2NiVrWBl27lAn0hbpkKfHwZnF5Wk3N3IWjLGalngsk+vB3FiCztplkZ95+x3gCBA==
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

2026-09-16T07:20:36.654743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004099
observed e1787c50c7169949444977f968c20928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:36.641119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004099/manifest.json
observed f052406b8c66a89884d739ef7c455251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:36.627987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004099/publication.md
observed 7e4450aba3ace25cf73c9d88e445d4e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:36.492602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004099/publication.txt
observed 9842596894dd4fa8783d6aee8e7b85c0...
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.