OpenTechnical

OT-2026-000089841

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000089841) never changes.

Identity and time

Publication numberOT-2026-000089841 · never reused
Internal UUID01a0ae9c-428d-7a21-9f2b-c40ea5e8d102 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089841
StatusPUBLIC

Content hashes

Canonical textcd5bf50505f2ee14cc329fd16c6cc6f3968286c3a1c382d77e6f67a494dab0d8
Markdowndbb710c3d8383038df237e8f6746a2338f4e0ee97a17e0de275616c71de74ab0
PDF
Publication pagef5426fcbfcc781b35ee4fedec9d07d7356c8095c227df855cd771c5cd741b0c4
Manifeste9641ed7f809ac05845501655e78ed3faee752a0c85ed864e71ec1912be6c94f

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
Signature4LAIf0RKZjj3GS9/Ej3dkMzPcMmmtEP+eCX8b9JYUiNGTt+w0sALjHrvqkBBlCIzucO/z8cP7pNDqCqnV12WDA==
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

2026-09-17T09:45:04.992565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089841
observed f5426fcbfcc781b35ee4fedec9d07d73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:04.973888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089841/manifest.json
observed e9641ed7f809ac05845501655e78ed3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:04.956791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089841/publication.md
observed dbb710c3d8383038df237e8f6746a233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:04.939604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089841/publication.txt
observed cd5bf50505f2ee14cc329fd16c6cc6f3...
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.