OpenTechnical

OT-2026-000032342

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000032342) never changes.

Identity and time

Publication numberOT-2026-000032342 · never reused
Internal UUID01a0ae75-106e-7449-ac65-971f7bbf38ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032342
StatusPUBLIC

Content hashes

Canonical textab0c8d484365eca0ef316d101e87c32adc8dcebaf306afd125defbf2e07a5879
Markdown8fe50d5183c773d7426688301fdfa42b5dc1356c10a52eab078cbccf42b97619
PDF
Publication page8e2e9645cd1dea4a517ca15c1bce245e69cf86fbef0c5210ce2de4a4dd2abff4
Manifest3b014a21e2ccf2eb71ddee2944646a60aa17fd64394aa360d69a8bd9eb1e2635

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
SignatureI9XJYOaq5XNSDY1ZF8msivg/TWYa5U/82vgIJ8HyCz6Jp79FmrZOmjmExCSfM7ajNdoCB71L4htMnYNj1V2FAQ==
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

2026-09-17T11:33:42.758438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032342
observed 8e2e9645cd1dea4a517ca15c1bce245e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:42.741136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032342/manifest.json
observed 3b014a21e2ccf2eb71ddee2944646a60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:42.723479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032342/publication.md
observed 8fe50d5183c773d7426688301fdfa42b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:42.703944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032342/publication.txt
observed ab0c8d484365eca0ef316d101e87c32a...
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.