OpenTechnical

OT-2026-000091825

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000091825) never changes.

Identity and time

Publication numberOT-2026-000091825 · never reused
Internal UUID01a0ae9d-43ba-7440-833f-e039da40a77e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091825
StatusPUBLIC

Content hashes

Canonical text90eac13809937649a9554c85eb830c3371d0b31b5dbe4e38509984328d6e02e6
Markdowne6575e0afaf5713009107783293213f68b5b164a945f92a3ce50bffd21af900b
PDF
Publication page116e8848da8febb24fb84b22ac29b3277e1b3a11167f5b613bba99869e675add
Manifest0254bf738b7f717e008644da1a0f4286641b4deeeca6e9bcebf1f07597a2bdde

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
SignatureX66RhuSyYLMaGr92LianYKeFm7KK0iM2zQWX8LuIWrZMpPvAKz1QFUa/yBGY3TdzwW31EfYMkYGb/M7fJOMhDg==
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

2026-09-17T09:42:44.395830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091825
observed 116e8848da8febb24fb84b22ac29b327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:44.377303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091825/manifest.json
observed 0254bf738b7f717e008644da1a0f4286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:44.361032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091825/publication.md
observed e6575e0afaf5713009107783293213f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:44.343284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091825/publication.txt
observed 90eac13809937649a9554c85eb830c33...
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.