OpenTechnical

OT-2026-000003564

Publication integrity record

Porous face vacuum gripper, four zone face, four outlet manifold, ejector fed

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-2026-000003564) never changes.

Identity and time

Publication numberOT-2026-000003564 · never reused
Internal UUID01a0a90a-648d-7f91-b278-05278fe3454d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:05.743905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003564
StatusPUBLIC

Content hashes

Canonical text9a699d85ecf74f9dbb4f470759ff2a97dbde344689b58632e3308720a6b188f3
Markdown03a17ea19ac9bcbf64a3b7b22c82e11a004331e62fae666873dec045585377a2
PDF
Publication page8eb66b0a41988ed269c12429a6a1357872cc8c847146c1420eec91541bff2f8c
Manifesta2262a84872ee4844899e6b636777d65e691b955796e1085b9d9e5b3204218ff

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
SignaturerA6K6kXVA7Oiqzp/ww2fVA3514Ii1KbM4S+v+pz/OFutkrSpMXVvLt0T90aiIEKJ6TmdHk9vOD/Lzsnb6vUhAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:40:40.225714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003564
observed 8eb66b0a41988ed269c12429a6a13578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:40.211659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003564/manifest.json
observed a2262a84872ee4844899e6b636777d65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:40.196310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003564/publication.md
observed 03a17ea19ac9bcbf64a3b7b22c82e11a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:40.179572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003564/publication.txt
observed 9a699d85ecf74f9dbb4f470759ff2a97...
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.