OpenTechnical

OT-2026-000003785

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, three outlet manifold, pump fed

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-2026-000003785) never changes.

Identity and time

Publication numberOT-2026-000003785 · never reused
Internal UUID01a0a90b-0e15-7ee5-a8ce-edef8ff575bf · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:49.144618Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003785
StatusPUBLIC

Content hashes

Canonical text5ea0af9cf3072fc3cfb65283c6afa31b122cad29df6c87da6649c6489340c7fe
Markdown6c1c46ae765b8c02185bab6cddab54878f99432ae7c4df3415e2fd4620f0e990
PDF
Publication page9ea2a36fa2d9f0b3be660836366e863bb3d096d122eabf2c5540148691096a05
Manifest294f9fcc4714df7848d28091093af6c36ddd0e0954b6f4efbb328d93ae2522b1

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
Signaturefd6jzcez3aEqRguCj3eUgVPBt8Ac9uleK6HvRAhXWKQ2moAJup+PJnUiglBFOUIcEfvN70U4SNP+D3Hj12vuDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:20.491897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003785
observed 9ea2a36fa2d9f0b3be660836366e863b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:20.479185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003785/manifest.json
observed 294f9fcc4714df7848d28091093af6c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:20.462561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003785/publication.md
observed 6c1c46ae765b8c02185bab6cddab5487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:20.447640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003785/publication.txt
observed 5ea0af9cf3072fc3cfb65283c6afa31b...
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.