OpenTechnical

OT-2026-000018324

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000018324) never changes.

Identity and time

Publication numberOT-2026-000018324 · never reused
Internal UUID01a0ae6e-b489-7cb1-81ee-e4b50826fe3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018324
StatusPUBLIC

Content hashes

Canonical text265042964c2f34943d7777eff34fa32c50ba9d45cc29ae51ceb8f75e05ab395b
Markdowndf12065ed9d5dd08be3988d704cece40427112564c46a0b9bdeab9859d46978c
PDF
Publication page0d0ea097a9220f0dc0957c1bd619482531e0de143a7211df70424db855a7652f
Manifest3b37f76fada687beade1b8d99524b8e7e8d056e045d1a718b41f9121f17e07c1

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
Signaturev9W74lZ2Wth6AwI2OlheOXJS8W+oAtk+01/BUPB9AJH8TjDA1jsGerb+b11ZxSdEc0vMd+XiZU65NO+lSJyHBQ==
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

2026-09-17T12:01:03.790417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018324
observed 0d0ea097a9220f0dc0957c1bd6194825...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:03.775060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018324/manifest.json
observed 3b37f76fada687beade1b8d99524b8e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:03.759937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018324/publication.md
observed df12065ed9d5dd08be3988d704cece40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:03.743870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018324/publication.txt
observed 265042964c2f34943d7777eff34fa32c...
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.