OpenTechnical

OT-2026-000083270

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump 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-2026-000083270) never changes.

Identity and time

Publication numberOT-2026-000083270 · never reused
Internal UUID01a0ae97-c963-71a7-9550-625d415345e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083270
StatusPUBLIC

Content hashes

Canonical texte2caa652dc9f32c83b3134eb8aea0e8ba54f19bc2c1c7dd5694794b797841c3c
Markdown363cc79da3b984d415c87d357314282c7dccec7e606720281c4c372ecf2c9c40
PDF
Publication page05b0063560b383996db2a42494c6c39488eca6287df401cba865dff8283a7937
Manifeste4fa3435073c96276cdf06d7ef21d21ff73112bbd9158fdeceb19d7ae4619372

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
SignaturerwgJq+ZbkOI8jWQqPI6OuWsa4E3hYI1nMAxJFvNlrLVb96RZDp/NZul1/C9yLh0SqHIkErUZe+U3dytycJINDQ==
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

2026-09-17T09:01:22.147558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083270
observed 05b0063560b383996db2a42494c6c394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:22.129651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083270/manifest.json
observed e4fa3435073c96276cdf06d7ef21d21f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:22.112117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083270/publication.md
observed 363cc79da3b984d415c87d357314282c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:22.093043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083270/publication.txt
observed e2caa652dc9f32c83b3134eb8aea0e8b...
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.