OpenTechnical

OT-2026-000011328

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, vented 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-2026-000011328) never changes.

Identity and time

Publication numberOT-2026-000011328 · never reused
Internal UUID01a0ae6c-88fe-7e79-a7ea-26ba45ca2451 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011328
StatusPUBLIC

Content hashes

Canonical textc6d2059274770b7a71df74a9c3e40e869abbc6272a2e4a78547efc62f29470d2
Markdownaf37c55fc7771c4c2e3a36545d5431f50117e3c57594f0f1309a4c7fe9dd3b8e
PDF
Publication pagec565b9848a41a8bfbb42ffaf749730e3b7f205ffdc1df8b92db8e40ecaf60d1c
Manifestce507d55471127e34cd01f0e16159cf0da2168aca010a98d50b09c3aa5750785

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
Signature4kxSL3iOGYfTkTJzRzVItJFLla8OFOUfROMLo+ef/jIM1Jka2VuYGT9kkWImiVfNoogUCeSvJmkVgxg02mYhDg==
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

2026-09-17T12:13:03.143146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011328
observed c565b9848a41a8bfbb42ffaf749730e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:03.121935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011328/manifest.json
observed ce507d55471127e34cd01f0e16159cf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:03.102987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011328/publication.md
observed af37c55fc7771c4c2e3a36545d5431f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:03.081936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011328/publication.txt
observed c6d2059274770b7a71df74a9c3e40e86...
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.