OpenTechnical

OT-2026-000020462

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000020462) never changes.

Identity and time

Publication numberOT-2026-000020462 · never reused
Internal UUID01a0ae6f-437b-79c1-a023-da8940c74475 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020462
StatusPUBLIC

Content hashes

Canonical textb93db4e0d1b3ba9186151fe00f060c9ec90761ff50cece78635dcb319a17f1f5
Markdowne20883b3ae5136329639a912403e4edfa7ceec65c8b6d0aa31da061565e1dee4
PDF
Publication page353456fd6f3c2e9241a26e3bbeb4b96896133e4d5b9deb77b4d43a082657a7be
Manifestdb424d73ee03fee2f7ad011eca6392d723d7700d45070a3eaa73ffa0ed5c051c

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
SignaturemYyux0YXQGRxm8FFibbTCahUlyCfeYrXNmAA1sWLXy7SSYqT/60C+lbVm+3E1Dd6Te1VPoXW8SO++QjM8+XVAg==
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

2026-09-17T12:00:23.734203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020462
observed 353456fd6f3c2e9241a26e3bbeb4b968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:23.711414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020462/manifest.json
observed db424d73ee03fee2f7ad011eca6392d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:23.688941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020462/publication.md
observed e20883b3ae5136329639a912403e4edf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:23.670355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020462/publication.txt
observed b93db4e0d1b3ba9186151fe00f060c9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:27.377212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020462
observed 353456fd6f3c2e9241a26e3bbeb4b968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:27.356670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020462/manifest.json
observed db424d73ee03fee2f7ad011eca6392d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:27.337192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020462/publication.md
observed e20883b3ae5136329639a912403e4edf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:27.316986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020462/publication.txt
observed b93db4e0d1b3ba9186151fe00f060c9e...
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.