OpenTechnical

OT-2026-000043920

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after set-down

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-2026-000043920) never changes.

Identity and time

Publication numberOT-2026-000043920 · never reused
Internal UUID01a0ae7b-d678-77f7-87ca-d7173bf99807 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043920
StatusPUBLIC

Content hashes

Canonical textb3eaede85bc78a66086f014a6a79701a87294a6fef4559d7cd85526a4c47ca99
Markdown4c98cc4cbc145abc2d0b7828dbfa85c4705fbbcc3056043163a8a01baaa52fd2
PDF
Publication page783d6ed96b40d6b86fdb938bf3c15022dea3d65f93af06f0ae06a72d8b5833e1
Manifest38f61084fc65145ec5ab6aa6d75c5d15b3e65eb8404b15ea8da0a2e799949aee

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
SignatureoVnRBf/GPHCz72kePD0/J3XJx7fvR1o2KTq1ETadC7mG0F7/3XaYvnM5J5SqqY/kM3bxx3pMF8sgVd/qLpmJCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:15.906457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043920
observed 783d6ed96b40d6b86fdb938bf3c15022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:15.882174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043920/manifest.json
observed 38f61084fc65145ec5ab6aa6d75c5d15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:15.862517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043920/publication.md
observed 4c98cc4cbc145abc2d0b7828dbfa85c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:15.841855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043920/publication.txt
observed b3eaede85bc78a66086f014a6a79701a...
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.