OpenTechnical

OT-2026-000038294

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000038294) never changes.

Identity and time

Publication numberOT-2026-000038294 · never reused
Internal UUID01a0ae78-2d51-7e00-9237-0f5a9faabb44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038294
StatusPUBLIC

Content hashes

Canonical texta67afd62cc19d6e3ed41f17df76bcf5815f558e9a4fd060f2da2a448e1c3f58b
Markdown33bf58ee517581f7bcc3e93e95178c34482428a6e8d7887f31e36e058770a048
PDF
Publication pagec837fed24a18e801fd9dce3606c446c331b14b3da71e3f8a09b57469858ac891
Manifestdff65f3d734726cacd18a6ad92d377b0a9da6dbfb3ea04f2f2f8cc38cb292afd

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
SignatureJXJHVk/VgnBcpRsFt2OyK8DvTBxRIWSnW4DMhYhLO4pIm3DLBh2rY9w+Ds+hZ5I6Srvl5ahGomS0tgLv4yFUBg==
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

2026-09-17T11:22:27.737519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038294
observed c837fed24a18e801fd9dce3606c446c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:27.719523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038294/manifest.json
observed dff65f3d734726cacd18a6ad92d377b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:27.704031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038294/publication.md
observed 33bf58ee517581f7bcc3e93e95178c34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:27.686508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038294/publication.txt
observed a67afd62cc19d6e3ed41f17df76bcf58...
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.