OpenTechnical

OT-2026-000030078

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000030078) never changes.

Identity and time

Publication numberOT-2026-000030078 · never reused
Internal UUID01a0ae73-ac4a-751d-b314-e138c8d93a7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030078
StatusPUBLIC

Content hashes

Canonical textdbe07a41f1cb2ba21656cede171cf76bdf3ec0efccff9e52a0a94e6888f75113
Markdown0dee2aee3661620855cfdbf75479d565110e0e60e4ae014ec1a1af9157f3b8f0
PDF
Publication page1e9ca29ceaae047021c42f772327f2fcaf8d61a7bea7a6230438496bb7c0b521
Manifest4dd6139373daba8beb60abf896e0c21cc8e8bc66b18001ac781b06f51ac9d3d0

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
SignatureNBf0dk0dyPNP8lD0yI4Fdk0aU+b1JT9B4awKcGYaLppsV92Vis1HR2Nrivgl5CdXrhDMTEDi3kkG3HnsSm5hDg==
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

2026-09-17T11:38:49.469406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030078
observed 1e9ca29ceaae047021c42f772327f2fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:49.449943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030078/manifest.json
observed 4dd6139373daba8beb60abf896e0c21c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:49.433207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030078/publication.md
observed 0dee2aee3661620855cfdbf75479d565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:49.413037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030078/publication.txt
observed dbe07a41f1cb2ba21656cede171cf76b...
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.