OpenTechnical

OT-2026-000004406

Publication integrity record

Vacuum cup gripper, four zone face, six outlet manifold, 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-2026-000004406) never changes.

Identity and time

Publication numberOT-2026-000004406 · never reused
Internal UUID01a0a916-9e6c-7477-9c66-b61353847cd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:20:26.992852Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004406
StatusPUBLIC

Content hashes

Canonical text7f806b6c1b1a390b4635fba0f46e22c14fab5b9e4fdd7502ab54ae6449d1f3b9
Markdown7553824337b2f7e36846ef3d8cb6f77150008ecfa7d3e1d4766727b58b8dbd3a
PDF
Publication page8e11c50fd9d179d468518cad1b686d8c02657a3c35eb38e6c519ecae2b3daf2f
Manifest0e3302c8bdce51e780e0acc078a09fc9af65cedf398796e614b0dd32e677b882

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
SignatureZVtiXKFbRd/ohaediOUJ49Gv9egBzTB1DMTZx6UVECbigDeVKQfp3pDCMefuL6UERvdSXkFVAbrce9w6+kn4DA==
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

2026-09-16T07:30:31.127718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004406
observed 8e11c50fd9d179d468518cad1b686d8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:30.987058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004406/manifest.json
observed 0e3302c8bdce51e780e0acc078a09fc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:30.971769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004406/publication.md
observed 7553824337b2f7e36846ef3d8cb6f771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:30.958669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004406/publication.txt
observed 7f806b6c1b1a390b4635fba0f46e22c1...
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.