OpenTechnical

OT-2026-000005972

Publication integrity record

Vacuum cup gripper, three zone face, common isolation valve, ejector fed, rubber cups, oval form

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-2026-000005972) never changes.

Identity and time

Publication numberOT-2026-000005972 · never reused
Internal UUID01a0a94a-eb1c-737f-b9f5-eb3873a39825 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:17:34.495386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005972
StatusPUBLIC

Content hashes

Canonical text3a6e446134786eddfdb06bd68d868fa6d084ea48f1a2d9b28725ccf1293da64b
Markdown4ec37f776219fc3e859179357c8bc4e8eb77b7eabd01467ec9303aea902b7097
PDF
Publication pagea1ea10493ee1c965850c86726d40422312a83482b94e8b53c2f4347a74259f2b
Manifestceae432dd653c4687d3b8d744d6227fb5a56526a17fa7ab0e480f41bf83dbaef

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
SignatureGYM7bSva3jJMoIpEW82XOasnp58aRqTYO7cHJrLOMoARSCYyQlPP3LOiNydZDrLROWUKKdP151BRTqCZ7M9BBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:10.964566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005972
observed a1ea10493ee1c965850c86726d404223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:10.948716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005972/manifest.json
observed ceae432dd653c4687d3b8d744d6227fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:10.933427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005972/publication.md
observed 4ec37f776219fc3e859179357c8bc4e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:10.919076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005972/publication.txt
observed 3a6e446134786eddfdb06bd68d868fa6...
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.