OpenTechnical

OT-2026-000043423

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000043423) never changes.

Identity and time

Publication numberOT-2026-000043423 · never reused
Internal UUID01a0ae7b-327f-7fe8-8a12-a8fe973be2e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043423
StatusPUBLIC

Content hashes

Canonical textaf474fb4c31240893da26b6a2e095b94f2187d46589555d0c4eb629c68951a51
Markdowna424cadf88ca900554cf36ef909c07b6e51c2e11a18c67f8d8cad1916ae04e75
PDF
Publication page3cf555207a1cbb153a751c7360f8cb90cf3674901cbf7728ad9cc419a3c37a55
Manifestb38104c869d921961e314b4cefb55071978f2f7acb846efd8ecf5164cd13141e

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
SignatureiMZyipGYyogfePPadACH2yXqoo3hcCU7ca6BK9WQYy3daR4DDOF1TBVzizxBzu2JDMIwwsVHKIJ2k4yGXe+gBg==
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

2026-09-17T11:13:57.974185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043423
observed 3cf555207a1cbb153a751c7360f8cb90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.955433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043423/manifest.json
observed b38104c869d921961e314b4cefb55071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.937413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043423/publication.md
observed a424cadf88ca900554cf36ef909c07b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.919221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043423/publication.txt
observed af474fb4c31240893da26b6a2e095b94...
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.