OpenTechnical

OT-2026-000091537

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three 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-2026-000091537) never changes.

Identity and time

Publication numberOT-2026-000091537 · never reused
Internal UUID01a0ae9c-f16e-77d2-8b39-945c4543b39f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091537
StatusPUBLIC

Content hashes

Canonical textbecc387088f77dbfec786b17433ef74b05328da87072afe1c2a468c4addc1629
Markdown823c0f4a3f5d40848ae6b1ea4a5f199efb455f6754060cf41f557187094daf8c
PDF
Publication pageec292667dcb436b58bf0d92989066b9e69ee09a856944cb04ccc27dddf484529
Manifest24867ba1030e1a88c50e45899739160a8d56c23c3175ff432cbc4d173a03b3cc

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
Signature+Vt664OvRaRqnv7xpBWK4TmsX8hVG/iHEqfSUCExQdQiBQ6MtzRKpB3Q2Ly0Dz6YD4SD6vSg8CrMMaEnoIa+Dw==
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

2026-09-17T09:43:48.314489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091537
observed ec292667dcb436b58bf0d92989066b9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.298343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091537/manifest.json
observed 24867ba1030e1a88c50e45899739160a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.281373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091537/publication.md
observed 823c0f4a3f5d40848ae6b1ea4a5f199e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.265783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091537/publication.txt
observed becc387088f77dbfec786b17433ef74b...
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.