OpenTechnical

OT-2026-000027379

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pulsed blow-off before set-down

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-2026-000027379) never changes.

Identity and time

Publication numberOT-2026-000027379 · never reused
Internal UUID01a0ae72-6997-7467-8339-ff2b93fa1bfb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027379
StatusPUBLIC

Content hashes

Canonical textb7887b190df1121a839121e83357963154d7f50bd686306cc4e0fb5a92ed4982
Markdowndfee43f45b3c8012e17200009a349aab0c324fa7bdd4ffd9e335c1b75de4175d
PDF
Publication page696f75f4a06dd0c78c2371db1840cee0a7dbd7cd3ca24eaeecb4bfaf14f67b12
Manifestf5b332c900f6ce832ec0926d90d134938c1fb6e66fe7e441aadc35e0a9bf8394

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
Signature+6qYyoBDbyz3dWaxMROi26gt3jQIqGZvsnxbGHWBenOcED8c8pXJ634F8aOYbmwA1P3VgTrPs7pHpsuvdt0+AA==
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

2026-09-17T11:42:47.824807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027379
observed 696f75f4a06dd0c78c2371db1840cee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:47.801485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027379/manifest.json
observed f5b332c900f6ce832ec0926d90d13493...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:47.783930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027379/publication.md
observed dfee43f45b3c8012e17200009a349aab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:47.766217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027379/publication.txt
observed b7887b190df1121a839121e833579631...
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.