OpenTechnical

OT-2026-000030697

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000030697) never changes.

Identity and time

Publication numberOT-2026-000030697 · never reused
Internal UUID01a0ae74-3fb3-7904-b2b7-5e9225a2aa12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030697
StatusPUBLIC

Content hashes

Canonical text83bdcadaaf2fea8110c7ac0643115aa8f00dbbb681d1bb51eb832ca605cf96c4
Markdown7d40a746a01baa9169c53b1884c697c9ad5edf485da73152fbc64a858ebbc687
PDF
Publication page6ad141ebfcd7f63f756acfb6a3b1c3b2814ca53dc455ca3d6f3f8e4288f42710
Manifestc9782ce8f026f4e1a6a1e1ef519299bf97bbf5ee79213c4d4045c6cd45a17bd3

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
SignatureJ5iejwJ7MbJOid57+j8sUW4C1N0GxgONvp8GXMNIyqzscQn7mw/YHWSRhAYAc0QtyNNiXPIiXknJCsE6kkMoAA==
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

2026-09-17T11:36:36.892156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030697
observed 6ad141ebfcd7f63f756acfb6a3b1c3b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:36.874350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030697/manifest.json
observed c9782ce8f026f4e1a6a1e1ef519299bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:36.857185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030697/publication.md
observed 7d40a746a01baa9169c53b1884c697c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:36.839305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030697/publication.txt
observed 83bdcadaaf2fea8110c7ac0643115aa8...
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.