OpenTechnical

OT-2026-000030368

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000030368) never changes.

Identity and time

Publication numberOT-2026-000030368 · never reused
Internal UUID01a0ae73-e501-7889-8f1c-7cd7cdc7832b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030368
StatusPUBLIC

Content hashes

Canonical texte6564163e624352d57bfda1c879d7bc468e7414c6f2140f51d3c9094005ffa1e
Markdownc90dc0a1399c678b2e697f375df2cc8bf625b99237818917f9d0247994b928bb
PDF
Publication page62d94cfcbe02c1708091dd61ed0722bfa023b88afcb687cee21a8441f8068804
Manifest837441d90506b1aef366c85a44fa857151bee99a5e6d1f032c4c2bfbf2849985

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
Signature4kHYmJBSq+HTMCEemL3FoowLNaMVihvd0z4tTur8uRrYn529Pj5XzNA4VIraEKOim/Khsab/W2mXzJZLByXPBA==
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

2026-09-17T11:38:05.439149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030368
observed 62d94cfcbe02c1708091dd61ed0722bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:05.422369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030368/manifest.json
observed 837441d90506b1aef366c85a44fa8571...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:05.404690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030368/publication.md
observed c90dc0a1399c678b2e697f375df2cc8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:05.387092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030368/publication.txt
observed e6564163e624352d57bfda1c879d7bc4...
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.