OpenTechnical

OT-2026-000091492

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000091492) never changes.

Identity and time

Publication numberOT-2026-000091492 · never reused
Internal UUID01a0ae9c-f16d-7397-865e-88b3037d552d · 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-2026-000091492
StatusPUBLIC

Content hashes

Canonical text357034e7707bbfa1f766cc9e368172396217f21704a974b981ddeaba155aa87b
Markdownd4aff226ed564bfc7a3d08597687bc284f7c026a81643ba155dbc1a5787050c9
PDF
Publication page48290f0e77395a762e3065b1333268b3dc91c1c6106e6d4a83caa23f7ed5bebe
Manifest2492a058cae8df2880b914fe6b76fde1bcdc060bd06eaae875d541bb4ebf9012

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
SignatureU9l3BrgKlT1uE7fZiZkZ9pXe/YcoTFlyaMYDoeDbPEzK0a00rAb5QG/b6SwS59vDHOJCEUZ0YQ+Tha56ungpCQ==
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

2026-09-17T09:43:45.019930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091492
observed 48290f0e77395a762e3065b1333268b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:44.998793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091492/manifest.json
observed 2492a058cae8df2880b914fe6b76fde1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:44.980914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091492/publication.md
observed d4aff226ed564bfc7a3d08597687bc28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:44.963523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091492/publication.txt
observed 357034e7707bbfa1f766cc9e36817239...
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.