OpenTechnical

OT-2026-000006109

Publication integrity record

Vacuum cup gripper, common isolation valve, plant vacuum 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-2026-000006109) never changes.

Identity and time

Publication numberOT-2026-000006109 · never reused
Internal UUID01a0a94f-9e10-7e53-a329-99e112915ae6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:22:42.450864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006109
StatusPUBLIC

Content hashes

Canonical text5096acccf4d26ce967238c1dff2cca3bed2f5ff0e946101781646ff01848a878
Markdownb905d99d1e342890706e74c569b537121954dc9fc94974bd60dca2cea7f42c55
PDF
Publication page3909b4a5fd842c38bba0e9165a0243e0929e732bc895362606cf1adad3997782
Manifestb56ffbb789e3b727ce27edfd04a9194e14b5ed349da7747b2680eb548e533647

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
SignaturecnR/c9i+PTs90Tmcb9bV8cjGc8XJFkMkdAg2nyjb6+r1SGnuvrP0/4zkBUgt8BQYoRf5tQczBQ/ymN6tTvRhBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:26.446971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006109
observed 3909b4a5fd842c38bba0e9165a0243e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:26.432679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006109/manifest.json
observed b56ffbb789e3b727ce27edfd04a9194e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:26.416995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006109/publication.md
observed b905d99d1e342890706e74c569b53712...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:26.401762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006109/publication.txt
observed 5096acccf4d26ce967238c1dff2cca3b...
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.