OpenTechnical

OT-2026-000032574

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000032574) never changes.

Identity and time

Publication numberOT-2026-000032574 · never reused
Internal UUID01a0ae75-106f-7379-8bf4-b95348596dbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032574
StatusPUBLIC

Content hashes

Canonical textf01405f1258ced959ead63600f0189ff55c0acff5b6afd5fca94707c03af194f
Markdown48d6501ac25de5b92f79f64c4d91a6d22738bbc3213e4e0ba9966744b07efce6
PDF
Publication pagefa7cc76bb41523bb80ff1f76b1d0e1a0e3e193b6b58116af5ca0390dcfd9b30a
Manifeste98ced28e959f996d65a19a49fe9fae1777b375fb94e29e92818a41bd451d976

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
Signature2EQ8FzTTIpsiMgLR6OzJ/ZbRzChMETSXXRUIMByjKK8sPWka4p2Jc9pJYk3oFSlgD0M0Y9ba49bHE2uIWZnsAA==
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

2026-09-17T11:34:08.902672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032574
observed fa7cc76bb41523bb80ff1f76b1d0e1a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:08.885921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032574/manifest.json
observed e98ced28e959f996d65a19a49fe9fae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:08.856569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032574/publication.md
observed 48d6501ac25de5b92f79f64c4d91a6d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:08.828621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032574/publication.txt
observed f01405f1258ced959ead63600f0189ff...
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.