OpenTechnical

OT-2026-000085164

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000085164) never changes.

Identity and time

Publication numberOT-2026-000085164 · never reused
Internal UUID01a0ae99-43b9-7bc7-9ad1-74aeb99e19c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085164
StatusPUBLIC

Content hashes

Canonical textea050e77e7b774d00f60c5ce11921952e0ff0428738ae5df394e712810b44249
Markdown2660f4d2bd3cd0ed6a97fac4ef4f056722b71194dbe958513d26821fa999c6c8
PDF
Publication pagef4afb04ad51762445fd0af4849a3f508c34f95c2ba0368c9ea7987c3cf19bbc1
Manifestdc7e8771e103d2242fc8d8ced65bb56c0c35e30777f57266bbc7b5dbdc2f9135

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
SignatureMxmxxpVtEzmczUHl1nvXHHrXEMD8hQeyjMoDAPf6v2RMI3M22+/+XTWVf9TwdtmoTTOu+UKKGvRkBh28o0SrDg==
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

2026-09-17T09:55:14.730597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085164
observed f4afb04ad51762445fd0af4849a3f508...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:14.714156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085164/manifest.json
observed dc7e8771e103d2242fc8d8ced65bb56c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:14.697016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085164/publication.md
observed 2660f4d2bd3cd0ed6a97fac4ef4f0567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:14.678957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085164/publication.txt
observed ea050e77e7b774d00f60c5ce11921952...
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.