OpenTechnical

OT-2026-000063269

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000063269) never changes.

Identity and time

Publication numberOT-2026-000063269 · never reused
Internal UUID01a0ae8c-94ab-7810-8bde-b02a73e5e208 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063269
StatusPUBLIC

Content hashes

Canonical text8e665ff99b6866e6a0d1c27dbd9dd2b8b697e3f1d5e26e751024e9abdce82893
Markdown6275f4698f45ec51697dd686cbe4841311edb023cad6ff16bef97502f7d356e4
PDF
Publication page1fa545cc096b094daa3908238d3f2d6605ce077f0c81b253bd0251225657f78d
Manifest6313f4848962fe7c6ecde9f7622a81d63e3c18b9ade57720eb4238209b79ef99

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
Signature3kBcnGSX4WLk/7Ttms44MpHL0ySufqW2DPjemr6AEAdD4F465Y+lh11DPpcIZecz3cOG2GBFQZeXwzxidf6lAQ==
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

2026-09-17T10:39:09.510626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063269
observed 1fa545cc096b094daa3908238d3f2d66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:09.493072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063269/manifest.json
observed 6313f4848962fe7c6ecde9f7622a81d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:09.471478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063269/publication.md
observed 6275f4698f45ec51697dd686cbe48413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:09.449053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063269/publication.txt
observed 8e665ff99b6866e6a0d1c27dbd9dd2b8...
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.