OpenTechnical

OT-2026-000033290

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000033290) never changes.

Identity and time

Publication numberOT-2026-000033290 · never reused
Internal UUID01a0ae75-897f-7a60-a446-579e4a2611e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033290
StatusPUBLIC

Content hashes

Canonical text03e682ee78ce231640813211deefd311932b2abd1063a8e987445aec7238a5b4
Markdownd67aa4df63567ae4833683cb6cf9c6734fa93d433eee117e9745a23d8ac2d004
PDF
Publication page70af0e3518656aa3697eee4ff3ef5f7c194e6a93af4269d9973c58b0f18cb88e
Manifestbe20ff247de179e72bbaf085fc11cd5944bb5d28cc4ca63c636d99dc293dbf27

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
SignatureWldyx3kLZStu5/rcnQrZ55NFUnF04wr/RuJRnLHB7GJk22ghLeZSJpRjX3YmMc3ECRY8O4dyMlR7+wk/JieOAQ==
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

2026-09-17T11:32:02.042214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033290
observed 70af0e3518656aa3697eee4ff3ef5f7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:02.023808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033290/manifest.json
observed be20ff247de179e72bbaf085fc11cd59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:02.006520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033290/publication.md
observed d67aa4df63567ae4833683cb6cf9c673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:01.990384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033290/publication.txt
observed 03e682ee78ce231640813211deefd311...
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.