OpenTechnical

OT-2026-000018573

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000018573) never changes.

Identity and time

Publication numberOT-2026-000018573 · never reused
Internal UUID01a0ae6e-b48b-7ae5-b28d-01e0bfe6a3c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018573
StatusPUBLIC

Content hashes

Canonical text03d9687fb1132febf444bd2c75fa763a9966d7113adb243ea72b72f3c8eaa6bb
Markdown46d49c4155e0634efdfedb325d4a393d2c8546fe8e76c75f77a4ed51ab9188c8
PDF
Publication page9595ac414ecd9487d666934ec61dbdad2129580fc0d68f88ed0a6a19158aa48e
Manifesta243df8bad14fb0ed9e7730eb9e702af382aea9aae9c1e4964f59787d4843acc

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
SignaturewGHyCdimy+wNKsupcOzVfFXv/7YiyjRgq+etTIk8qvVZHxpqT/tbywrXP7gZGrgLvC8oo0A+UHXrIBphm2uGCg==
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

2026-09-17T12:01:22.563079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018573
observed 9595ac414ecd9487d666934ec61dbdad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:22.547155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018573/manifest.json
observed a243df8bad14fb0ed9e7730eb9e702af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:22.530116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018573/publication.md
observed 46d49c4155e0634efdfedb325d4a393d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:22.511740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018573/publication.txt
observed 03d9687fb1132febf444bd2c75fa763a...
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.