OpenTechnical

OT-2026-000086478

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, sustained blow-off before set-down, on a tool changer

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-2026-000086478) never changes.

Identity and time

Publication numberOT-2026-000086478 · never reused
Internal UUID01a0ae9a-2c97-7568-b5c4-242eac717036 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086478
StatusPUBLIC

Content hashes

Canonical text09bef8c9e35e750861084b7c8b16a4b8294d5769b17633212fb3712fae83829e
Markdowne03be4791f5843e3f5a0b883f9e4703b49c247ead10ccef8c47a9981fa95bd10
PDF
Publication page511e534116244f6a301bdd09531f430127672d64e030659042f632df13c3c893
Manifest206eda042a56f240e02129c42d8eb0559c67668e5ae865dd1dabc871baf8f92a

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
SignaturePP3TFSG8bniHIEUvuupgQziHpqkK8IIs1c20epcHYdmf35J9iMYaTaa7n/yLh73h5rLOdE9JOq6fuhrSvDz+Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:17.300541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086478
observed 511e534116244f6a301bdd09531f4301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.281872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086478/manifest.json
observed 206eda042a56f240e02129c42d8eb055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.264094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086478/publication.md
observed e03be4791f5843e3f5a0b883f9e4703b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.245115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086478/publication.txt
observed 09bef8c9e35e750861084b7c8b16a4b8...
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.