OpenTechnical

OT-2026-000041790

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000041790) never changes.

Identity and time

Publication numberOT-2026-000041790 · never reused
Internal UUID01a0ae79-e8a3-7d44-b28e-4dd78ce93d60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041790
StatusPUBLIC

Content hashes

Canonical text17e39b85f9ecbcdd62ea5a699f8c875993226ef45bd110748b98cf2ecd3a4442
Markdowncc2685c9e2ce79e828eeb987dabdeebd50a036ff07dd776fa8b2862f39267a2c
PDF
Publication page37a5797b096304265cdfcce41b0de98ebc128e6db303e7e7b8edcfe0bfc6b63c
Manifest66af022fce52fe7d9a83888049802b35dc32d3f57fbbc1bec7a4c51ca94d7700

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
SignaturevxbBrk3dTx61nxSUpcyfcKXyBLr1cJKKtLi/0SA7WX6M2GK2Lsoh3zlP9U7sy8Q0xtzUvO5b1kGh/qjvO6FhDg==
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

2026-09-17T11:16:38.607726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041790
observed 37a5797b096304265cdfcce41b0de98e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:38.591982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041790/manifest.json
observed 66af022fce52fe7d9a83888049802b35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:38.574980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041790/publication.md
observed cc2685c9e2ce79e828eeb987dabdeebd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:38.557846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041790/publication.txt
observed 17e39b85f9ecbcdd62ea5a699f8c8759...
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.