OpenTechnical

OT-2026-000032612

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000032612) never changes.

Identity and time

Publication numberOT-2026-000032612 · never reused
Internal UUID01a0ae75-1070-7e48-9c61-e7df64637400 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032612
StatusPUBLIC

Content hashes

Canonical textea87ffedcf52c6f96123f814039179f160bd549323c4bbdae2bcea7a84cae0c4
Markdown2628180d86af6d4e8cac60151c52bd1f1d7653838ca47b404026cbcb1ed2773e
PDF
Publication page726ee7f026d07a482a66629eae7ad5bb000c79533b06bc601fa11a59e5b24c05
Manifestc1d5bfd1ebd19e3abe0ddb37d98b607ef947c0f013721abc81ef33623d9b4296

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
SignatureH1Yijn8glZwigchoeX+U2Hh/iENog4vYkbCMY0P8XSX9u6AInYvhzvM0cx8v8aiumOJY/ZMObxDt0cw9GF6xDg==
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

2026-09-17T11:34:11.763479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032612
observed 726ee7f026d07a482a66629eae7ad5bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:11.747882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032612/manifest.json
observed c1d5bfd1ebd19e3abe0ddb37d98b607e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:11.731624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032612/publication.md
observed 2628180d86af6d4e8cac60151c52bd1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:11.715723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032612/publication.txt
observed ea87ffedcf52c6f96123f814039179f1...
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.