OpenTechnical

OT-2026-000022622

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before set-down

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-2026-000022622) never changes.

Identity and time

Publication numberOT-2026-000022622 · never reused
Internal UUID01a0ae70-46e9-7692-aa7d-e634f6112fe1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022622
StatusPUBLIC

Content hashes

Canonical text4b75858e08b8fb9d85758c2e6548f5296853e76c283f1c29f6fbd3661b126f67
Markdown45e4da712142fce0f5e4145afdac7a1026042311a01fe262e8dbcb4a2d26d20c
PDF
Publication page91a0fe169c8bb4abcf149f505f2a692b39b4f50c2d7bdeb9883ec0c87be9a3df
Manifest82b3a38c439e404830b3ceb02d003c155cd3f46d0cbc631d42c6a1a34e6c2220

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
SignatureANexbmbSbd8twRrGINdtvgax1+wqgWmxJSi8sfRBC3YY+u7cT7gf+3flLdQ0mIy3HIy4FAFnRBMCouMVYXXcAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:59.734168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022622
observed 91a0fe169c8bb4abcf149f505f2a692b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:59.717190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022622/manifest.json
observed 82b3a38c439e404830b3ceb02d003c15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:59.699848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022622/publication.md
observed 45e4da712142fce0f5e4145afdac7a10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:59.682588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022622/publication.txt
observed 4b75858e08b8fb9d85758c2e6548f529...
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.