OpenTechnical

OT-2026-000088326

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line 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-2026-000088326) never changes.

Identity and time

Publication numberOT-2026-000088326 · never reused
Internal UUID01a0ae9b-5d27-7905-a845-b8c3620a84e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088326
StatusPUBLIC

Content hashes

Canonical text3c66ddaf00b93a01d4b731d7c1b7a8d0c1192f2e34ebfba4c777c476bd7e74c9
Markdown3628c7c237a938384a9139c1f0c5806af3def338b930c8b4cb826043d4ba35a5
PDF
Publication page1cb4a3ec2bbd29beccaa9d1c05f448179e34be76295dc549117a533fe35ef755
Manifest1b4699921d3421ac2a0fab3de65a65c0465364a44fdfce483307933b5f495119

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
SignaturenlvPKrTY722Tn6CqvgwmwDd/HABgW7t5vWj+E1XrainZ9J28P77qqgRpWeZiBa7zWAW1HdwWYLAHgLbjhpwKBA==
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

2026-09-17T09:48:33.044551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088326
observed 1cb4a3ec2bbd29beccaa9d1c05f44817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:33.026447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088326/manifest.json
observed 1b4699921d3421ac2a0fab3de65a65c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:33.010018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088326/publication.md
observed 3628c7c237a938384a9139c1f0c5806a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:32.991792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088326/publication.txt
observed 3c66ddaf00b93a01d4b731d7c1b7a8d0...
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.