OpenTechnical

OT-2026-000006309

Publication integrity record

Vacuum cup gripper, three zone face, six outlet manifold, ejector fed, contact triggered, rubber cups

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-2026-000006309) never changes.

Identity and time

Publication numberOT-2026-000006309 · never reused
Internal UUID01a0a956-713b-76b4-95b2-43084ba4393e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:30:09.726414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006309
StatusPUBLIC

Content hashes

Canonical texte70c1285b4749a8ba332409781d85d0674773c0c5548ddde34f6af0ec47841be
Markdowncd273a3504fec334e5f820267708c9627403d2e02a9c600bf9b2eae1211a35d9
PDF
Publication page9cabe3056c6413a97a1a57f5424cf5c80252a2811898cabf59904f6cea45f3b4
Manifest311e2dfb2e873fc0212dff44326f08d6b429984766f6d5939fe16fbfef4cf0ac

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
SignaturewWSCFRS6QAtB4+KmLgFaL02hO8l4c04zUl63txkOdUqVfz15Pz2TzDfZN+ChZF7k8loOMZKUgXjq3tKVe5Q4BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:33.484103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006309
observed 9cabe3056c6413a97a1a57f5424cf5c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:33.469134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006309/manifest.json
observed 311e2dfb2e873fc0212dff44326f08d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:33.455585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006309/publication.md
observed cd273a3504fec334e5f820267708c962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:33.440546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006309/publication.txt
observed e70c1285b4749a8ba332409781d85d06...
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.