OpenTechnical

OT-2026-000079122

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, vented after 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-2026-000079122) never changes.

Identity and time

Publication numberOT-2026-000079122 · never reused
Internal UUID01a0ae95-ccbf-794a-a58c-7c756042f556 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079122
StatusPUBLIC

Content hashes

Canonical text7bed706ae685bb27ac158d5a62fb19852ae6c12343729489ee248757f6e13759
Markdown1d249261f14aab3e908b1d940fbeb7c706a074d32fb631f87c60c0a134a2f025
PDF
Publication page25e77841d736058083ca66cb26cc95313f2ff53f8d8557f2dc914ca94409bbd8
Manifest651603aa4bc32e63659a44e870c9e4b0fb09ad4a1aa42c61a3ad3c470bb924cb

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
SignaturerdYqZSYQYrSyLaLXdpqUrH5mAPt/bljzNX1Coiuf2Db+d13DWEBOxOhEjKp5ksW8sraojpLlSAdNYZEjomt9BQ==
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

2026-09-17T10:05:25.363796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079122
observed 25e77841d736058083ca66cb26cc9531...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:25.345446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079122/manifest.json
observed 651603aa4bc32e63659a44e870c9e4b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:25.326139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079122/publication.md
observed 1d249261f14aab3e908b1d940fbeb7c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:25.306578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079122/publication.txt
observed 7bed706ae685bb27ac158d5a62fb1985...
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.