OpenTechnical

OT-2026-000063321

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000063321) never changes.

Identity and time

Publication numberOT-2026-000063321 · never reused
Internal UUID01a0ae8c-f943-770e-9d36-4ce8f6d56d04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063321
StatusPUBLIC

Content hashes

Canonical textbc7107155d6de3451ab6a9fff288f2642a62215320dae0fe0b9b2afedb0c1aeb
Markdownda84a3d372a1ee2f79f85c2496573e9f8d6567fdb7645ac00da6797781789f28
PDF
Publication pagee9d6c8d199d2adc377b64e0806aabed90e36c590a42fe11d07e3f9606f1aa153
Manifeste8695019241fc855d9ef045c32a77b953659b0304da779a17f831c7448fc86a6

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
Signaturet2A6kh+VJhFSkVsj57KsR41YS2U3JO136KAQhJ6avmPJnka0Rx4bi7SPjTc+k8eJ/XoEenHjV9Ld3BA4fI3YDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:12.804646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063321
observed e9d6c8d199d2adc377b64e0806aabed9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:12.785464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063321/manifest.json
observed e8695019241fc855d9ef045c32a77b95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:12.765575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063321/publication.md
observed da84a3d372a1ee2f79f85c2496573e9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:12.746168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063321/publication.txt
observed bc7107155d6de3451ab6a9fff288f264...
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.