OpenTechnical

OT-2026-000018835

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three 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-2026-000018835) never changes.

Identity and time

Publication numberOT-2026-000018835 · never reused
Internal UUID01a0ae6e-d521-7fed-9a7b-d5c563772b73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018835
StatusPUBLIC

Content hashes

Canonical textc997c6dc3e21208f5e97d67bce392d082d51f56c7896a066d1053146ac7b896b
Markdowndcfa87208791f2f1c6b3e4871e598d7dbde2ccf3409ed317aa4d6ac56d8d3389
PDF
Publication page6adaf7cef56ef5072f5a0e01358922b860c7348ca679aefe7789f8a059557785
Manifeste2d5db0560e625d3672184ffdfd218ace452412a9aa5bef3161df58bbec75845

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+b5DY+XJj/M5xRmyM3Ng/fyneUGUxpwJsxICMSO/RkPGyTHT1gEtrW6R3GfTCh/vK3UKlaH0LfN3akyrRYTuDg==
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

2026-09-17T11:59:28.292031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018835
observed 6adaf7cef56ef5072f5a0e01358922b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:28.274078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018835/manifest.json
observed e2d5db0560e625d3672184ffdfd218ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:28.258683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018835/publication.md
observed dcfa87208791f2f1c6b3e4871e598d7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:28.241381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018835/publication.txt
observed c997c6dc3e21208f5e97d67bce392d08...
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.