OpenTechnical

OT-2026-000066433

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000066433) never changes.

Identity and time

Publication numberOT-2026-000066433 · never reused
Internal UUID01a0ae8e-ce40-7068-8113-4da385372b3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066433
StatusPUBLIC

Content hashes

Canonical textde159660722991c7c87c1a19c1ae9a0ba9754bdea58ddb9f86afd56b6df8f5da
Markdown7d40773c8ec93f9c9c5f8cb0f53488946fc554ee219e4e0c8e27f1ce63fd118f
PDF
Publication page3c577ac4557bba73d0c18a56552e295a9efc3d172b5a312afdec7d7644ce641e
Manifestd53f587bdbff9dd445670f39049dd6c887208f0fe2f6a4bd53906cdbe69400c8

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
Signature+Jau57qUGA4XQOi1zqQDWpO4swr3W+OH6PAYg90X7ttP2qP7aodt/YrSWbKQhOnKUEiOixOItLxYFuq26ED2Bg==
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

2026-09-17T10:32:40.648281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066433
observed 3c577ac4557bba73d0c18a56552e295a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:40.629671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066433/manifest.json
observed d53f587bdbff9dd445670f39049dd6c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:40.611458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066433/publication.md
observed 7d40773c8ec93f9c9c5f8cb0f5348894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:40.594097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066433/publication.txt
observed de159660722991c7c87c1a19c1ae9a0b...
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.