OpenTechnical

OT-2026-000091759

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two 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-2026-000091759) never changes.

Identity and time

Publication numberOT-2026-000091759 · never reused
Internal UUID01a0ae9d-43b9-7e38-9f9d-2b26b730c929 · 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-2026-000091759
StatusPUBLIC

Content hashes

Canonical text8d967389264e1c17a3529f8ea3ac13a5b11fda68613e205c3415f4ab0c8d70b7
Markdownd5b769b1ee92949456a6e5d72cbed5f3e2254056fb8308c4e0a001125a22062d
PDF
Publication pageb5873765b6d0bca9baf30b8aac83e6684d761470d58d01c92623bb5a3959d484
Manifest1d4273a0f17516c07679cb69e920f8ce1f29eb55a50468dd6834506f4ff6fbc4

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
SignatureiFM8ttfO2mFe0yLBDOP5eK1ymfMmpTZ0rO3BLlxzKRU8FUl+2nMa3mdsbJ9UKvZinQ9HaNEv/F+Der4hMgDRCA==
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

2026-09-17T09:42:39.144029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091759
observed b5873765b6d0bca9baf30b8aac83e668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:39.128621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091759/manifest.json
observed 1d4273a0f17516c07679cb69e920f8ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:39.111667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091759/publication.md
observed d5b769b1ee92949456a6e5d72cbed5f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:39.092616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091759/publication.txt
observed 8d967389264e1c17a3529f8ea3ac13a5...
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.