OpenTechnical

OT-2026-000100779

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000100779) never changes.

Identity and time

Publication numberOT-2026-000100779 · never reused
Internal UUID01a0aea3-66f5-7c8a-9716-25b58fecdc91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100779
StatusPUBLIC

Content hashes

Canonical textf5ccb280397f6a2eb0ac8f42a838fddf15f5fe3d11090f716349933f97acb62f
Markdownddc44431d0921589bce2513dd1407b0b43d18c6a14c2ef452869206fc371878a
PDF
Publication page8c06e9f8ba5e26ed2b46fca513082c205a328a5c28fb60afb786cb004e7e18e1
Manifest5e009ca1df2607a141d9cde6db52e1dfd05d0a76d0c258fd07f0a1e65731d4a2

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
SignatureTfQLTmZg/FNl2MPqXOQt4PbMKsrsKJZv2vfaId2R8kPRdYZ2H3TpBnNS3+0303kFhTT/ZJK/ylcCSUt2kERkBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:41.176833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100779
observed 8c06e9f8ba5e26ed2b46fca513082c20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:41.147207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100779/manifest.json
observed 5e009ca1df2607a141d9cde6db52e1df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:41.120386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100779/publication.md
observed ddc44431d0921589bce2513dd1407b0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:40.975868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100779/publication.txt
observed f5ccb280397f6a2eb0ac8f42a838fddf...
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.