OpenTechnical

OT-2026-000022313

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000022313) never changes.

Identity and time

Publication numberOT-2026-000022313 · never reused
Internal UUID01a0ae6f-f4fd-7f22-91cc-6a7d4390bbe5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022313
StatusPUBLIC

Content hashes

Canonical textc99e85cb30bbe99079559ad6e83590ac2a2cda8b71e1a9ed8da7cc133101cc90
Markdowncc513bf847d071d4d36561ef03eaadbc7203ddbc189f3c65b9e7b65fb3097bb9
PDF
Publication pageb3a4375986268e90e65186a6bbdabd02910838d3e7d6921fc3ea71163d801c2f
Manifestc3f34d29072254e73f678bdf0d7e4e4cfcc1f4ead41701a1a3a14b942ec56d55

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
SignatureDnQuaxkomnARzadPCcZoVOpwFxxqhv9l567D0yupUQG5Dq5JoWP4RHTfjW6jjd1DN6P4q68jeOewkrqa0LjKAQ==
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

2026-09-17T11:53:40.325968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022313
observed b3a4375986268e90e65186a6bbdabd02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:40.307186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022313/manifest.json
observed c3f34d29072254e73f678bdf0d7e4e4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:40.287570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022313/publication.md
observed cc513bf847d071d4d36561ef03eaadbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:40.270333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022313/publication.txt
observed c99e85cb30bbe99079559ad6e83590ac...
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.