OpenTechnical

OT-2026-000093112

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000093112) never changes.

Identity and time

Publication numberOT-2026-000093112 · never reused
Internal UUID01a0ae9e-0910-7435-aebc-2c301a1322bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093112
StatusPUBLIC

Content hashes

Canonical text45bb03caafc6f5787ff91946b38aa6d705506d8b3d6fb905b03af0c472d8142a
Markdownd495fd747e89aa2a3622065f548e377e5da529f73c5c30a527ce467feb5c00a4
PDF
Publication pagef4501cc8d9284ade663f881a185f1c63950d2e73c6f6b53e8804a830214babec
Manifest1a935f12474587868b934e4cd6a9dffbb076166ac596a25c9693a99a8e911321

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
SignatureCImI2jtxdyQuw8VP3dO3HqxYUlgTTTK1fOl7fevfn4sx8QJeOgZcNWVDmES16OYiJyJgqfmaXSY5AW3OxIdaBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:40:23.754829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093112
observed f4501cc8d9284ade663f881a185f1c63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:23.736003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093112/manifest.json
observed 1a935f12474587868b934e4cd6a9dffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:23.716798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093112/publication.md
observed d495fd747e89aa2a3622065f548e377e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:23.696849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093112/publication.txt
observed 45bb03caafc6f5787ff91946b38aa6d7...
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.