OpenTechnical

OT-2026-000071161

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000071161) never changes.

Identity and time

Publication numberOT-2026-000071161 · never reused
Internal UUID01a0ae91-e0eb-7a44-a250-0e5613c3ccf8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071161
StatusPUBLIC

Content hashes

Canonical textddf87a9afce2a9a8f1ba824f1f64a9c1968e7f7a9c07ced721bee362d68e31d3
Markdown589300cf79fe77cb675175843da7eb60ec7543fb8eb2a59d25d224a5759f4b43
PDF
Publication page5c692b1bcd517e4bc9e1f8bbc4fb27df0d8bd09368a995d3ccaeb6ed8137e52d
Manifest088af21dfa20ce64ce1494ebf2db4dcf49e50b485da429c67dd39f3815d05771

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
SignatureY7o/ZXeWTRMv/17yrbVoc6QXoDHilTcFUP6ED+3z4/SSCRHhGov0RFJACAzqVu/LZ0po4trzMad7BCzL9kdUBg==
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

2026-09-17T10:24:40.102408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071161
observed 5c692b1bcd517e4bc9e1f8bbc4fb27df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:40.085405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071161/manifest.json
observed 088af21dfa20ce64ce1494ebf2db4dcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:40.066547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071161/publication.md
observed 589300cf79fe77cb675175843da7eb60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:40.048426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071161/publication.txt
observed ddf87a9afce2a9a8f1ba824f1f64a9c1...
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.