OpenTechnical

OT-2026-000067631

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000067631) never changes.

Identity and time

Publication numberOT-2026-000067631 · never reused
Internal UUID01a0ae8f-6bda-71eb-bfeb-7531865d28cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067631
StatusPUBLIC

Content hashes

Canonical text6dd447a5fc81bac0231c031373db4f317a129f373b7fb60155cf5bfd6fd1a873
Markdown8684078b92dad4a5d5609273a4b806d253dd3e9ebf8dd3ee244526757ea2b1ce
PDF
Publication page096c2a24ec2ef593472db20a11dbd05bddf7e2ddff36e4dbfa2727851b5e56a8
Manifest60e853dce9149ffd48222a703d5dd61382080209139f53b831f45861ded877a7

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
SignatureCbc0mwaMPNoCrouPZ3QtPHG7vXkpAnIa8cs4XCp4V5W3syZEX1gepinqOZsq00sLX0fDcIBweNodlk8fZ/sEBw==
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

2026-09-17T10:31:57.350528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067631
observed 096c2a24ec2ef593472db20a11dbd05b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:57.331109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067631/manifest.json
observed 60e853dce9149ffd48222a703d5dd613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:57.309990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067631/publication.md
observed 8684078b92dad4a5d5609273a4b806d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:57.292381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067631/publication.txt
observed 6dd447a5fc81bac0231c031373db4f31...
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.