OpenTechnical

OT-2026-000093589

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, 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-2026-000093589) never changes.

Identity and time

Publication numberOT-2026-000093589 · never reused
Internal UUID01a0ae9e-508b-7f03-91bb-7ce60273af34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093589
StatusPUBLIC

Content hashes

Canonical textcd9f7a5679dc33cdd540a6513c049a04dd1ed4d32b94f5a4fa2913daae07d924
Markdownf820e6f5f028aefb94dcf97b303441ce618febca9be85e8380deac4497df15f5
PDF
Publication page4634c350e9ca70d17baa218ec86539978935fc124d38406b7ad22fc09979a975
Manifest9c7e712cdd09feb32a2475632255ec4e6a965927b945391068e12127aef5f897

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
Signature1OEu8b8PdLeeDSpPLzk1vkA+bMWqQaW/IPazIB8yiD6e67IXuICZmKH0hAxbGLNpTFHcxmIDaAtG+52M8cqrBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:39:37.641277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093589
observed 4634c350e9ca70d17baa218ec8653997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:37.622993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093589/manifest.json
observed 9c7e712cdd09feb32a2475632255ec4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:37.604601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093589/publication.md
observed f820e6f5f028aefb94dcf97b303441ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:37.585606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093589/publication.txt
observed cd9f7a5679dc33cdd540a6513c049a04...
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.