OpenTechnical

OT-2026-000039851

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000039851) never changes.

Identity and time

Publication numberOT-2026-000039851 · never reused
Internal UUID01a0ae78-d8d6-764d-bfee-8a6397740b94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039851
StatusPUBLIC

Content hashes

Canonical text8cf1a5e22bc5016508496df7c0b64ac02219f6d54f91286c80399989801b8898
Markdown3a47ebd95c53722a6fdb198b3325320189228d1a1414cad6131d86a61e5233a8
PDF
Publication pagea540d8e0b9f2d1f496b88298938923a3e4ccdbb239e8b7bdc7ed8a8697a528dc
Manifestae978e99660902afc5ed8c465ec5153fbf4dc21ee9bd4ca261e7cf98f7566840

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/tm0etyLW+VKeqTI4Nw2/ysaMITkX3thGHwtwwFXLf9o+wD1ClRzdr2udZwv0uboJgLiBVc1WhiD8aWwufcCBA==
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

2026-09-17T11:20:05.975015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039851
observed a540d8e0b9f2d1f496b88298938923a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.955340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039851/manifest.json
observed ae978e99660902afc5ed8c465ec5153f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.937316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039851/publication.md
observed 3a47ebd95c53722a6fdb198b33253201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.920818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039851/publication.txt
observed 8cf1a5e22bc5016508496df7c0b64ac0...
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.