OpenTechnical

OT-2026-000069136

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069136) never changes.

Identity and time

Publication numberOT-2026-000069136 · never reused
Internal UUID01a0ae90-6dcf-7cff-9b55-7d1ff1f86aa7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069136
StatusPUBLIC

Content hashes

Canonical text2bef4525f0f59e523c0ff3855ac1754e8a542820c4c7bd9d37ab1c35e708c5da
Markdown61df927e84ee01d3bda67490f4cea863b6ac2c0dc7382a38dea24ad07bc6ad61
PDF
Publication pagef3a5972e7b17fb80ba8463cc0046eae4b8a24277420e34c16b676f29e0f0454f
Manifest6f58cf5d22a5d19577cb2f41a5b897b97883b52208e1199b40a104633eaf9e45

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
Signaturerx9QwJlZJ0aUuoDXlPo6+6IfHornDpEzIhlS40mJNR8ImavCp5PkG0I1qZO3JDhIY0wOHA+HQHCUt3v9GYjHDQ==
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

2026-09-17T10:29:01.075606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069136
observed f3a5972e7b17fb80ba8463cc0046eae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:01.058891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069136/manifest.json
observed 6f58cf5d22a5d19577cb2f41a5b897b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:01.041702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069136/publication.md
observed 61df927e84ee01d3bda67490f4cea863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:01.024948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069136/publication.txt
observed 2bef4525f0f59e523c0ff3855ac1754e...
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.