OpenTechnical

OT-2026-000005057

Publication integrity record

Porous face vacuum gripper, three outlet manifold, two stage ejector, pressure verified, 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-2026-000005057) never changes.

Identity and time

Publication numberOT-2026-000005057 · never reused
Internal UUID01a0a92c-7ec9-772f-a77e-a738b6a389cb · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:44:20.683651Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005057
StatusPUBLIC

Content hashes

Canonical text35886f901199f67e01dea2cc1b0a09b219d3e62418d9d6d28d56d40bddf3f981
Markdown0979c20453479c8295e6e7686acb1837cacb848942c1f0348e3dcd7193a49820
PDF
Publication page71396cc03d951b556e757de36c247e045a95255356ef71370ffdea82437da982
Manifest068cb4ecb71e2d69b1a9c5773b86a15d7c35472fd6a16dff539426f86e1b1fa0

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
SignaturepJUOlofWCvkiICt8jiEnZii4JslWf1J8l0j2SkRKKOZYyvFA8D69Lx3ShcYext97dPUKBb3imNAIz/bz/pfVDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:20.189396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005057
observed 71396cc03d951b556e757de36c247e04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:20.177864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005057/manifest.json
observed 068cb4ecb71e2d69b1a9c5773b86a15d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:20.163862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005057/publication.md
observed 0979c20453479c8295e6e7686acb1837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:20.150815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005057/publication.txt
observed 35886f901199f67e01dea2cc1b0a09b2...
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.