OpenTechnical

OT-2026-000085825

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum 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-2026-000085825) never changes.

Identity and time

Publication numberOT-2026-000085825 · never reused
Internal UUID01a0ae99-e829-74f5-873f-199527e7fb4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085825
StatusPUBLIC

Content hashes

Canonical textcf01c7189c4512f109c041db4eb6989910b0890e32fc34ac498389f2893dad21
Markdown623fd9f0ae38b486ba3db8b9bbda1e20b1f928477137caa98a2f4c6594452c53
PDF
Publication page4e03cb61d0d8ca6c1482401a7887d027549f01d43113ca65752479e30f3ab504
Manifestc1b50a93cb9412f3687f6389c607e03603bfff7917b9bae5158f8d58e25de1a9

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
Signature3ar/kWIgpfYLYjg/vDdphtFww7awRmwefsVoGqbZC5Mju+KpWJEZfUMVqqAZCAwbbWxirIJLXzNZs1gHzU2uBg==
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

2026-09-17T09:52:44.817828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085825
observed 4e03cb61d0d8ca6c1482401a7887d027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.801208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085825/manifest.json
observed c1b50a93cb9412f3687f6389c607e036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.783804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085825/publication.md
observed 623fd9f0ae38b486ba3db8b9bbda1e20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.766207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085825/publication.txt
observed cf01c7189c4512f109c041db4eb69899...
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.