OpenTechnical

OT-2026-000067876

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000067876) never changes.

Identity and time

Publication numberOT-2026-000067876 · never reused
Internal UUID01a0ae8f-c4fc-7cf3-b4e0-2b5246ee8493 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067876
StatusPUBLIC

Content hashes

Canonical textbc2d2e1f48fc8470cec94c66fb4aefa933c4181e15521756732e91270f5276cc
Markdownd967f54cce277ad869c6f34208636e77cdde8b33034eb870e7e738b7e012aaae
PDF
Publication pagefad0fed15af03ea37890f10cb8446877e3fb827b8a14cd37734c4d2e4f1dcf83
Manifest0a3519d944a6560a539ec0794d9c752950b56e3d35f06872e994c914712a7076

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
SignaturenLXbWF8vvJtU/IN6VRDdysY5v8Z4dENsPsDwfPcKdV6f0Pd9+QEWIWsczjRP0yZLS4HJYc8Kmp9mAWa3HBXnAw==
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

2026-09-17T10:30:15.912979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067876
observed fad0fed15af03ea37890f10cb8446877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.896294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067876/manifest.json
observed 0a3519d944a6560a539ec0794d9c7529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.879625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067876/publication.md
observed d967f54cce277ad869c6f34208636e77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.856819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067876/publication.txt
observed bc2d2e1f48fc8470cec94c66fb4aefa9...
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.