OpenTechnical

OT-2026-000017587

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pulsed 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-2026-000017587) never changes.

Identity and time

Publication numberOT-2026-000017587 · never reused
Internal UUID01a0ae6e-76ca-7952-b79f-f477f5753cf6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017587
StatusPUBLIC

Content hashes

Canonical text2dfd0e77846f53a9dd8a17d8eadb72a204575545d9a27e5c0bab08e4f7cc6d00
Markdown3839ed86296462972023f4710272743ab81c3f66f91c50ff05f3537b4b42e233
PDF
Publication page7be023f57da46f5f9146b9d38e2990cd068319c14f14b18a350adce606e49ebd
Manifest32389a9e7100e91715bc14987c1810892e5033cf1569c9d7666385275eebda05

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
SignaturePHmcPLrhVTNRy+m9LvlopqR6E6bdvj1SbIF42zd1xi6ch3kLKBVn3G/oTiMDth3jOGJdRqwycyBYJ6yrjlrZAg==
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

2026-09-17T12:02:45.844460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017587
observed 7be023f57da46f5f9146b9d38e2990cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:45.823556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017587/manifest.json
observed 32389a9e7100e91715bc14987c181089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:45.805739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017587/publication.md
observed 3839ed86296462972023f4710272743a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:45.788142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017587/publication.txt
observed 2dfd0e77846f53a9dd8a17d8eadb72a2...
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.