OpenTechnical

OT-2026-000069833

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000069833) never changes.

Identity and time

Publication numberOT-2026-000069833 · never reused
Internal UUID01a0ae91-185f-78dc-bd02-3c98a347f42b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069833
StatusPUBLIC

Content hashes

Canonical text6b29cead6b48ca482547cf0f3aec2423895dc1a5eafc88caf4b297b814bc93ef
Markdownfc1c173fa4b0abcbc11329b3209781837b06a7d8d3cd374c0fbf2ddbb94e6acf
PDF
Publication pagef7b7d2cd10dd7a393539d35ea7cde60f4a68825135f3fd95a8bce413349dea2a
Manifest55529afdc35f5e3ce76d87c3bfa906d51218ebc5f0156fc275ada90c2d0f4d83

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
SignaturestC3BShjNPnOYngL7Yl8yoJcgzUeXFREftX6+Xp7efgcn/1AOZ9mvdDxedNMQ3KJOK8R9ECflhgAkqliTeY8Cw==
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

2026-09-17T10:26:39.915848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069833
observed f7b7d2cd10dd7a393539d35ea7cde60f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:39.899205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069833/manifest.json
observed 55529afdc35f5e3ce76d87c3bfa906d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:39.881477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069833/publication.md
observed fc1c173fa4b0abcbc11329b320978183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:39.863386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069833/publication.txt
observed 6b29cead6b48ca482547cf0f3aec2423...
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.