OpenTechnical

OT-2026-000005065

Publication integrity record

Porous face vacuum gripper, three zone face, two outlet manifold, plant vacuum 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-2026-000005065) never changes.

Identity and time

Publication numberOT-2026-000005065 · never reused
Internal UUID01a0a92c-be5f-709a-9bfe-dd513e40d873 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:44:36.962133Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005065
StatusPUBLIC

Content hashes

Canonical textc10aa59d650e3674ce09361c6f9edc2b30192a43dca3412fcd666ef3e4846c95
Markdownfb6f55d7bd1e85cc0c8d0cc73b697858d41c8d4351d7c2830d862215ffe0857a
PDF
Publication page2a6fd1c51cfcce3b4ffde634580282d2687d9dc823707912a9b09f42ead8fb6c
Manifest5d92e6acfe928d6508d06f3b684a9389e8f0defd4a434ef0eb7861fbfbbe263d

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
Signature3G8E0cSdiPwD/Cnh6F0TcUdGZqwEQkv2CEnocRZ6EjH2T6DPkF9T1Ilgx+S1loBP7lt0sfATFn508ygEkA+VAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:19.398819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005065
observed 2a6fd1c51cfcce3b4ffde634580282d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:19.386015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005065/manifest.json
observed 5d92e6acfe928d6508d06f3b684a9389...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:19.371526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005065/publication.md
observed fb6f55d7bd1e85cc0c8d0cc73b697858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:19.236116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005065/publication.txt
observed c10aa59d650e3674ce09361c6f9edc2b...
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.