OpenTechnical

OT-2026-000081726

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000081726) never changes.

Identity and time

Publication numberOT-2026-000081726 · never reused
Internal UUID01a0ae97-0f73-7fae-b89f-54723669195f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081726
StatusPUBLIC

Content hashes

Canonical text44e0d2749d7634d3ad24a907a1877b563981912a8110bc7ba02110e403735a3e
Markdownaee4f03d56e36faecbe004430d6bdc45f5ff1de8c27dcb1933752d13a4e68894
PDF
Publication page897f632c3eb8a92975d58c157aa41b5719b3948cafd3899ebfe1f5faaa5d0f61
Manifest10d43c8243dc4c3b1c9fbf038f50e449f670c6b12ea4e6efefeb27ff04e888e9

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
SignaturepP7mcB4gfVvzLx1FZdHRi90a7swVVx8p1kjsv1z5wJp5DCSJ/IrloPbtogEOu7LJnObFVNvJHeiDTEgcLzlvCQ==
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

2026-09-17T09:59:48.247401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081726
observed 897f632c3eb8a92975d58c157aa41b57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:48.224755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081726/manifest.json
observed 10d43c8243dc4c3b1c9fbf038f50e449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:48.206088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081726/publication.md
observed aee4f03d56e36faecbe004430d6bdc45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:48.186542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081726/publication.txt
observed 44e0d2749d7634d3ad24a907a1877b56...
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.