OpenTechnical

OT-2026-000030886

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000030886) never changes.

Identity and time

Publication numberOT-2026-000030886 · never reused
Internal UUID01a0ae74-3fb5-79ad-bae4-6d0f2203c8f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030886
StatusPUBLIC

Content hashes

Canonical text1faff46668c328e35ff634f9055ac2a952489225b3a46a7e3f61b01091223d72
Markdown2e3e9b15a49814c8a31b94b29f9e152375c6774ede02d0ae3ac831316875ae39
PDF
Publication page5c4cd880227e9e23687747db17a7050e6183e0f55c9c50bcbbbeca2601d476c2
Manifest097d983ee4df890c0c0562d81235e19a7c1b16e7eab7139ec6540de61166ab1d

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
SignatureCgUZUO1+xo8jsoWYi2g2/C/tcVwPnmvRIMHUupu4sZ2dnwQ1epiBLAIAQ8kR10arV+WntgolscnWfPH0jwekCw==
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

2026-09-17T11:36:52.136526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030886
observed 5c4cd880227e9e23687747db17a7050e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:52.105746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030886/manifest.json
observed 097d983ee4df890c0c0562d81235e19a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:52.078962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030886/publication.md
observed 2e3e9b15a49814c8a31b94b29f9e1523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:52.061902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030886/publication.txt
observed 1faff46668c328e35ff634f9055ac2a9...
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.