OpenTechnical

OT-2026-000015841

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000015841) never changes.

Identity and time

Publication numberOT-2026-000015841 · never reused
Internal UUID01a0ae6e-0c4c-738d-82fd-9681f31c9a1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015841
StatusPUBLIC

Content hashes

Canonical text92d5c51f8435e6eca1a3b69b2724930f39c28f61e87a9752196eea7e0948a79f
Markdown359bb1c3a1acbe6793f2c2d15b04cd65fefc00fd7fe5a1e2f466b7ee4d247142
PDF
Publication page118b6be4c44030bf05a35557844a5a1ee0e23018d09bed6cfec976f5719f58d6
Manifestc1290cf50b846267ea4d008e0eebda86d58f94f75f490749ca6c9f51cb36dc0a

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
SignaturevphV6+11gnEb0rcHZSMZOlppmjuLJzybWdQyaqaviOBVzn3/9eLohbg8jvDyx0rSXQ04Wh5GeSmAfIkdRIYcBA==
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

2026-09-17T12:05:09.854751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015841
observed 118b6be4c44030bf05a35557844a5a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:09.836732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015841/manifest.json
observed c1290cf50b846267ea4d008e0eebda86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:09.819176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015841/publication.md
observed 359bb1c3a1acbe6793f2c2d15b04cd65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:09.801784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015841/publication.txt
observed 92d5c51f8435e6eca1a3b69b2724930f...
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.