OpenTechnical

OT-2026-000006138

Publication integrity record

Porous face vacuum gripper, three zone face, four outlet manifold, two 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-2026-000006138) never changes.

Identity and time

Publication numberOT-2026-000006138 · never reused
Internal UUID01a0a950-a00c-71c3-ba1e-4bb24bafe5f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:23:48.495460Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006138
StatusPUBLIC

Content hashes

Canonical textd09e12193a746e1f1aa5b5b118bf27cea3364050ace2657b8e1a6094a6a7142f
Markdown29e1268370e49bbaab2201a5b325908ba5f10615eb3506af5a27953ae39cef1b
PDF
Publication page946de76509b9ed363b987bb076040d96427e3ac4182fc594a30708c7de7a7350
Manifeste3876615322b7003809f240157d3b7adbd4dad9691f277f3b161e2198434df50

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
Signatureli46S/uj4xior3PDzmtr/V36rwGAq0MIp5RFR5fFVnbrwz1r54TOnb7WWZsH/aafkqDHL/3e6Y5Z8JJteuxhBw==
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

2026-09-16T08:30:23.225438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006138
observed 946de76509b9ed363b987bb076040d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:23.211340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006138/manifest.json
observed e3876615322b7003809f240157d3b7ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:23.198502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006138/publication.md
observed 29e1268370e49bbaab2201a5b325908b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:23.184834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006138/publication.txt
observed d09e12193a746e1f1aa5b5b118bf27ce...
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.