OpenTechnical

OT-2026-000031366

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000031366) never changes.

Identity and time

Publication numberOT-2026-000031366 · never reused
Internal UUID01a0ae74-87ad-7248-8b2b-4c0ba8b349ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031366
StatusPUBLIC

Content hashes

Canonical text8c0933af0b25f927bcfcdeb91bdad6c13f08e995a2d4be0b895dcd6d211db6e9
Markdownef2cc684189382c76da4231ee424e812e0751237499d5e02bc57ef032e834a5e
PDF
Publication pagee647e51dfdd270f5b224c569b1245cb9ab5fa853ce9c89e90329d3d79c2ecafa
Manifest7c6ff4637b45e5bf8322fa61f6f3ed92638b27ecc8ca601dbfa2a2e71ccc9330

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
SignaturePWpupZOSQZjtCAmXQFs6DO3lU4/jh0dye4Dql6RtsICtE9ge9Bef5qAspatS9YGxscssX/MQy7WgpAAr+vscBQ==
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

2026-09-17T11:36:04.141276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031366
observed e647e51dfdd270f5b224c569b1245cb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.123344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031366/manifest.json
observed 7c6ff4637b45e5bf8322fa61f6f3ed92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.105566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031366/publication.md
observed ef2cc684189382c76da4231ee424e812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.086037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031366/publication.txt
observed 8c0933af0b25f927bcfcdeb91bdad6c1...
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.