OpenTechnical

OT-2026-000083019

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, sustained blow-off before set-down

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-2026-000083019) never changes.

Identity and time

Publication numberOT-2026-000083019 · never reused
Internal UUID01a0ae97-c961-72fe-96ed-ab8380ad792d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083019
StatusPUBLIC

Content hashes

Canonical text040a3c94dc17d3b47bb6f1658885c4a6286daaa1c9931506958763c102dd7d20
Markdownd640c3adb0f22daa7cf5b858f3530ed6c93eaca9026f6fb752f64c61f31793ab
PDF
Publication page28d97085d77845b2281db21f2e9b62b6968fbd80346038d263766a25bf82ca8b
Manifest73f0f1bef98973e9f483aa0ccea40eed392da2ca3e806c9fd0748afd6d0c642c

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
SignatureXrGE9gWcdOt1riX16pFJwUo1a3Iu8KYLEsYN324PdLYmwT+MAM9W7jK6H4VkAem9dt/83Kh++OrSZJ4YkrYgAw==
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

2026-09-17T09:00:18.929895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083019
observed 28d97085d77845b2281db21f2e9b62b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:18.910981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083019/manifest.json
observed 73f0f1bef98973e9f483aa0ccea40eed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:18.891356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083019/publication.md
observed d640c3adb0f22daa7cf5b858f3530ed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:18.873437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083019/publication.txt
observed 040a3c94dc17d3b47bb6f1658885c4a6...
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.