OpenTechnical

OT-2026-000015377

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line 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-2026-000015377) never changes.

Identity and time

Publication numberOT-2026-000015377 · never reused
Internal UUID01a0ae6d-ef49-7bd0-b50b-4fa819ac2388 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015377
StatusPUBLIC

Content hashes

Canonical text5207e40c3923fa2ed8098b72899f4829d1428c6895de2074d209d88d1237b4f3
Markdown18edaf0a05f45e49b9b5960f9159abed79567cd368054aeee325290f5ce92916
PDF
Publication pagee7eb5ba9f40c12d1fa694e1361291bedf06f66761380534ae2fbb4f97f954dc6
Manifest92efd8fc5dff9577d3b69fae45a9236ce550b351c33868cfe3efee2312939cb0

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
SignaturevkxufkjKiXNWDV3G+XWf7M8yLByd5RjV7jZ3obK1lc9CPEaeLTkcnBNLBk1HFxUwv6bJav8IYJ9HRWZJ47YbDw==
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

2026-09-17T12:06:05.582545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015377
observed e7eb5ba9f40c12d1fa694e1361291bed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:05.562598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015377/manifest.json
observed 92efd8fc5dff9577d3b69fae45a9236c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:05.542597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015377/publication.md
observed 18edaf0a05f45e49b9b5960f9159abed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:05.522891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015377/publication.txt
observed 5207e40c3923fa2ed8098b72899f4829...
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.