OpenTechnical

OT-2026-000050125

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000050125) never changes.

Identity and time

Publication numberOT-2026-000050125 · never reused
Internal UUID01a0ae81-fd79-7706-8516-c4831453dd7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050125
StatusPUBLIC

Content hashes

Canonical textccdaafc442abedf07764b5f0dcccafba22ed909a184c060a4e137b277de8c596
Markdown4b35cf311b8258508efe17e79d6be0e073135cdb44f4473ccb0e1ce4ece17530
PDF
Publication paged140915f428ebe83bad91327e2454fe145fdf0325b8bb2a29675160bf5b0b92f
Manifestbd5e81bede8a0d67b10805c2cd0aeccd9c4ca89902a99e5100d2a3cfbc91f7b2

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
SignatureWUXWEoNMhEDnCXKVSIcShC7ZZqRDYkDXGYIN/BWt4F8mCJtWUPMkaWoCwC2J2ViU1vpgnwouYRXpl6lZPFEiCQ==
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

2026-09-17T11:02:07.937664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050125
observed d140915f428ebe83bad91327e2454fe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:07.920449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050125/manifest.json
observed bd5e81bede8a0d67b10805c2cd0aeccd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:07.904767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050125/publication.md
observed 4b35cf311b8258508efe17e79d6be0e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:07.886635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050125/publication.txt
observed ccdaafc442abedf07764b5f0dcccafba...
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.