OpenTechnical

OT-2026-000007241

Publication integrity record

Vacuum cup gripper, per zone isolation, six outlet manifold, plant vacuum fed, rubber cups

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-2026-000007241) never changes.

Identity and time

Publication numberOT-2026-000007241 · never reused
Internal UUID01a0a977-ba63-728f-8352-5ae4b9c4739b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:06:31.142233Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007241
StatusPUBLIC

Content hashes

Canonical text670e58903034a9a4034f3916015767646a62ca0ad61e4acb9b632dc38744b462
Markdown3267f149f708f1bdd923393c1a679b8b7608b3f1c776c8291bab12212a9485a1
PDF
Publication page0a9141b615457f174e191e5ab47c136ca517593db7480fe8670211b21ff4bf33
Manifest327ddfb5db86778da9978048156b70c9f6705a88d92c7e658be300a18c661913

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
SignaturecTz2GCrdwumBq8XqWkTynLxfiPrZtw9jcmh8poR061mJF7S09fIYkcKjx0TGzVI5BUHYQFIZTyLXTdoPvzQoBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:12.458877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007241
observed 0a9141b615457f174e191e5ab47c136c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:12.446510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007241/manifest.json
observed 327ddfb5db86778da9978048156b70c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:12.434909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007241/publication.md
observed 3267f149f708f1bdd923393c1a679b8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:12.423704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007241/publication.txt
observed 670e58903034a9a4034f391601576764...
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.