OpenTechnical

OT-2026-000047422

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000047422) never changes.

Identity and time

Publication numberOT-2026-000047422 · never reused
Internal UUID01a0ae7f-3e58-7247-a4ee-0dc43337d904 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047422
StatusPUBLIC

Content hashes

Canonical text75f1587fffda7b7cc5cef2e4cbd827dae1bc5d64a26c65396d405dafbc409ed2
Markdownff14dd9f0893d0dd19de218a92e21b60950e1ac1ec12f8aa0106938f63506e8b
PDF
Publication page01a9e0225bd070fdb492578492bd8140212cc81a13bdfe556bebdb2d88c27d13
Manifest2abe77f81672e0378f295c4768bab44a2e16ea6747162c713d45dadc19e6c46e

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
SignatureOKHULqipSv45QiykvKM8TcvUx3CTSxHbIkABFFJbe93WzW9Qy3PWAHIImJsoHCVqXEDBYUtF7X1ETJnz3YRYAw==
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

2026-09-17T11:06:26.584279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047422
observed 01a9e0225bd070fdb492578492bd8140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:26.565857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047422/manifest.json
observed 2abe77f81672e0378f295c4768bab44a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:26.546762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047422/publication.md
observed ff14dd9f0893d0dd19de218a92e21b60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:26.529936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047422/publication.txt
observed 75f1587fffda7b7cc5cef2e4cbd827da...
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.