OpenTechnical

OT-2026-000032059

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000032059) never changes.

Identity and time

Publication numberOT-2026-000032059 · never reused
Internal UUID01a0ae74-bad3-7427-ae4b-f94f301f480a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032059
StatusPUBLIC

Content hashes

Canonical texta67f71961592972ce321bce8080141197820df2825344a9275fe9e76641a0674
Markdown770e6da77c38d5f06f54d3e5debd65d04952830578535f2d6d26973c46dcfd11
PDF
Publication page4889f408cf510ec9d4433e4a9b6909b1cf6d616da91c866a9a0d27fc509b3788
Manifest59c1d454eb46ec9361c4558a4c1b80972f1834d089a2de7e7a921dc29c4eabd8

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
SignatureYoam6HFs7WzHUllC944Xfi8o4l/KYCLq9Ee1Ah/OZDxTyQUXAW+dh1MzWp5dqX+DVO/GtYojCNqE+gyGt0mDCA==
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

2026-09-17T11:35:28.595216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032059
observed 4889f408cf510ec9d4433e4a9b6909b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:28.577511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032059/manifest.json
observed 59c1d454eb46ec9361c4558a4c1b8097...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:28.559739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032059/publication.md
observed 770e6da77c38d5f06f54d3e5debd65d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:28.543265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032059/publication.txt
observed a67f71961592972ce321bce808014119...
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.