OpenTechnical

OT-2026-000045819

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, 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-2026-000045819) never changes.

Identity and time

Publication numberOT-2026-000045819 · never reused
Internal UUID01a0ae7d-8f05-7e42-86a1-fab5e688f168 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045819
StatusPUBLIC

Content hashes

Canonical text0786eebb62aaf3e9cf30f00a8fff7d60bc1c43abb4a6a2d3480c68a5cd6b619c
Markdown22fdeacb21d598601a1aeb786fd06039de08aa0fb34ef8f3836f6e25ea15ea08
PDF
Publication page7ec759de696b47908a26769785bd1cda6e86991170005ad98c9772a0cb43b2cc
Manifest40005a31046c1367f1658130a4415b329d74bd06bdecde8ae7f04bea993eaa84

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
Signature6d7cMwo+toj8gCemL/gJ06PEc6IOgwaBiOLlqm4+H3MryijvK/Wew87UHuzScDiVKHXJQGMtTzdHuMlBg1PmCQ==
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

2026-09-17T11:09:41.495862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045819
observed 7ec759de696b47908a26769785bd1cda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:41.473966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045819/manifest.json
observed 40005a31046c1367f1658130a4415b32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:41.455768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045819/publication.md
observed 22fdeacb21d598601a1aeb786fd06039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:41.435996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045819/publication.txt
observed 0786eebb62aaf3e9cf30f00a8fff7d60...
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.