OpenTechnical

OT-2026-000036469

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000036469) never changes.

Identity and time

Publication numberOT-2026-000036469 · never reused
Internal UUID01a0ae77-01d1-7c88-98dd-a9600402a7f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036469
StatusPUBLIC

Content hashes

Canonical text1b67df4e3ea2cf337182e1b3065075bda04dc2c92fb09a762a7c59b7808469c5
Markdownd40ed496d8bcd495449c2c72b062b01280fa2cea2e9466b69ef88ac236cd1cea
PDF
Publication page397e3341f3bfec6a1507b92c527f9c607f72a3f846d93fbe4a7237d16b9164fe
Manifest1a04f4d62f0434795e125aeeed15446b91cbba170398626a38c7b2ce3b27096e

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
Signaturen7wYHVstP1kT8TM9bQX7VEkuauVc7Y1d3tkkwCz2Wh1BvVI+lR07FYKBxZnOmINE1Dp/djijJDO1JCRS+eS5Dg==
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

2026-09-17T11:26:52.325378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036469
observed 397e3341f3bfec6a1507b92c527f9c60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:52.308503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036469/manifest.json
observed 1a04f4d62f0434795e125aeeed15446b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:52.291798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036469/publication.md
observed d40ed496d8bcd495449c2c72b062b012...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:52.275439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036469/publication.txt
observed 1b67df4e3ea2cf337182e1b3065075bd...
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.