OpenTechnical

OT-2026-000098687

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000098687) never changes.

Identity and time

Publication numberOT-2026-000098687 · never reused
Internal UUID01a0aea2-42ae-760f-af57-aa8d36b6052a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098687
StatusPUBLIC

Content hashes

Canonical text6c727a3b78ff6a37c94074468f6066a451721bee5c9400b0971026bb518f563f
Markdown4ca71e17e601d9f6a2847016c034e634fa30a47a5e83d6390b0cea9bfe2ab135
PDF
Publication page7cc5ecb5f834631da8146adca7f87c6f0b473bdd64c248d394ca1be46c7eda80
Manifest2ef00f0c500443377ec0314e5325d6a34a6f7f15e989826e73eef94487a0d610

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
SignatureI/APkhWd9KJeBXQ2eF7t68oKUX7N+y3sg8PeCHBZybbjns/7Cccr1Gdl+skyBrNwwpfqQ1C4D10ztDAlnIaGBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:59.373783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098687
observed 7cc5ecb5f834631da8146adca7f87c6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:59.357242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098687/manifest.json
observed 2ef00f0c500443377ec0314e5325d6a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:59.323531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098687/publication.md
observed 4ca71e17e601d9f6a2847016c034e634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:59.292434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098687/publication.txt
observed 6c727a3b78ff6a37c94074468f6066a4...
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.