OpenTechnical

OT-2026-000071285

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000071285) never changes.

Identity and time

Publication numberOT-2026-000071285 · never reused
Internal UUID01a0ae91-e0ec-761f-8040-2cdb3d334bbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071285
StatusPUBLIC

Content hashes

Canonical text6609f3a8b923c400a27f5e0f27f51010f359343c0291cf944f377cef9f0ea07e
Markdown0358c38610a00ccab27ad510d481d3d54ac9384f70e6f0e895a18dd1474ae6e2
PDF
Publication page94ec8874cd0e8ec178866c2f99875b7c3a4e8395820466acf79e6221d4d56e7b
Manifestc0bbf7e9bd14ee468742bf23306598a113615a343da9a01f8c8da08e537ff109

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
Signatureeiz4pyJInctmdWXX1PwepIj7vMvNeKmrveZ+jyKHri3rv/DNvpqbtSnOAaZYIAalsgqxDajK8PF4hYu54h9jAA==
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

2026-09-17T10:24:50.869683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071285
observed 94ec8874cd0e8ec178866c2f99875b7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.853976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071285/manifest.json
observed c0bbf7e9bd14ee468742bf23306598a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.835629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071285/publication.md
observed 0358c38610a00ccab27ad510d481d3d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.817298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071285/publication.txt
observed 6609f3a8b923c400a27f5e0f27f51010...
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.