OpenTechnical

OT-2026-000029706

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000029706) never changes.

Identity and time

Publication numberOT-2026-000029706 · never reused
Internal UUID01a0ae73-5e23-7433-928c-1282f3fae7bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029706
StatusPUBLIC

Content hashes

Canonical text1198f479cb1baea5719db09e7d3ef62730127f88dad66425a828bfd38294cd01
Markdowne6d76bef6ef86091000f249ba01eca41607d5874b081c6b84e8bc517f4e34bae
PDF
Publication pagec49dfa9da9558d8b32c2a15b5c3c735e7502ecc56af3aa436773774cefd06de1
Manifestb5db4f3943d0235c363d379665128bf2b52af47d38f6c91a7979741adf3f4bda

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
SignatureTlf8Bl8U+wM+nmXRoXRSVFsSdcOS9VQK8i6WAks0+/6/QqiavFNgrg1W4u+KPCcBLQMtFFupSVZNYSd98GPjBA==
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

2026-09-17T11:39:26.137665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029706
observed c49dfa9da9558d8b32c2a15b5c3c735e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:26.121945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029706/manifest.json
observed b5db4f3943d0235c363d379665128bf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:26.104636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029706/publication.md
observed e6d76bef6ef86091000f249ba01eca41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:26.085784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029706/publication.txt
observed 1198f479cb1baea5719db09e7d3ef627...
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.