OpenTechnical

OT-2026-000013918

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, pulsed blow-off before 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-2026-000013918) never changes.

Identity and time

Publication numberOT-2026-000013918 · never reused
Internal UUID01a0ae6d-8dea-7e07-866d-0f3a8ae039f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013918
StatusPUBLIC

Content hashes

Canonical textaf529f2716dee3560c4fa05f5804f4bd461933b9d0fc249d65e33f80ab5b7062
Markdown7141cd32f4cb84553e79ac74cb82ce622b1c66f39e83130de2bd37bad8d1b2db
PDF
Publication pagef4af225c1c99e310d0aa15fd24e198d46da43c548322e26a5dab66a5549bfffe
Manifest667c54895655c671efd94bf5aae79ef1336d95ff8af414ea591d85e35cad709b

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
SignatureCLWC4wHpArFAHjXBkeMtmpm1ebDXVADSoPrON3IEzbc40bNB6VYAl5hkqjLmU0Dm2aDdasIdShld7UqgAQblBg==
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

2026-09-17T12:09:03.038095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013918
observed f4af225c1c99e310d0aa15fd24e198d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:03.018128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013918/manifest.json
observed 667c54895655c671efd94bf5aae79ef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:02.998833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013918/publication.md
observed 7141cd32f4cb84553e79ac74cb82ce62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:02.979944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013918/publication.txt
observed af529f2716dee3560c4fa05f5804f4bd...
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.