OpenTechnical

OT-2026-000006009

Publication integrity record

Porous face vacuum gripper, four zone face, two outlet manifold, ejector fed, contact triggered

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-2026-000006009) never changes.

Identity and time

Publication numberOT-2026-000006009 · never reused
Internal UUID01a0a94c-2337-7509-a21c-268436b4f481 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:18:54.394112Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006009
StatusPUBLIC

Content hashes

Canonical textb86d8d694691e0b1a576a7f006e7c46dadc09318e0f4adaedefa21ba11d69608
Markdown85512825fef8fc2900960e3133ce0d189e3d25da7a4c84995f87e1930e308f95
PDF
Publication page3adf921b888e3cbee0f79661f28b49a6af7401cbd526b7edbff8318b45f2266c
Manifest50cdcd966aadedd1ffccda71e3317dca1acdbbf8b428c8c1d88de61f10877a7a

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
SignatureF622GjM5rqnpQ7xHsQLdN38SDOJvTZaoj8hjdUDnXAWJDj2Ovm9A+5dUN12DhRcZxyvOQxqZBIb2ckuNof0YDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:06.185352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006009
observed 3adf921b888e3cbee0f79661f28b49a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:06.171498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006009/manifest.json
observed 50cdcd966aadedd1ffccda71e3317dca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:06.158543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006009/publication.md
observed 85512825fef8fc2900960e3133ce0d18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:06.142148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006009/publication.txt
observed b86d8d694691e0b1a576a7f006e7c46d...
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.