OpenTechnical

OT-2026-000032002

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000032002) never changes.

Identity and time

Publication numberOT-2026-000032002 · never reused
Internal UUID01a0ae74-bad2-7a6a-8c6f-f63227e2e687 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032002
StatusPUBLIC

Content hashes

Canonical texte672ae004ee7ba42695abeab1ad1e84df32a7930486e4fffdbf854de254734f2
Markdown3fa3f306f1d9fdb6bffc6bf175b7b6d62da5b6e65c7ad9c63eca7c05ac05059b
PDF
Publication page01e1e2401b35a7162c93b67582a3051e33c0a616ed1f5a6c8c7eaaf3dacc47e8
Manifest7d64c818efa3adbfe0466d6b3537f8f3b5be5d62813a8ed32def3980fd27e093

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
SignatureMoKbsSgfm7MovF2rBVbZIYZ3DlLQzM4nJ3+jafL/DuokmrUVrxyIXwswwjTUWDiAjgOlDikCc8Xmt86GyVPYCg==
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

2026-09-17T11:35:24.176619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032002
observed 01e1e2401b35a7162c93b67582a3051e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:24.157293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032002/manifest.json
observed 7d64c818efa3adbfe0466d6b3537f8f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:24.137825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032002/publication.md
observed 3fa3f306f1d9fdb6bffc6bf175b7b6d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:24.114705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032002/publication.txt
observed e672ae004ee7ba42695abeab1ad1e84d...
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.