OpenTechnical

OT-2026-000012471

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pulsed 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-2026-000012471) never changes.

Identity and time

Publication numberOT-2026-000012471 · never reused
Internal UUID01a0ae6d-39f7-72f5-82b4-813cef756dee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012471
StatusPUBLIC

Content hashes

Canonical text8ee6c7920cccba5ab458784dbab1f822dbb8f34152891a08eb95be3833ebd7e8
Markdown2ba747cb8ceee51aa654ec5f6dcf54927720f0f544a55eb3f684e3e6013ecd4d
PDF
Publication pageda0c349edc060a34c50e84ec419182509365859df19be3402ea8bae265eeeb66
Manifest65ba2798ea0ebb399da32339b743ec5dc8e0f8aafbe6cc089023c216b0f165a6

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
SignaturehFsE6Q7P4uiTJDOGcIt5mPMtKClc9pUjbx6LARRTLxL5WigYEjuYn8X/XWjyKNl57CJ4wDqNWMhG9B1nTjZXDA==
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

2026-09-17T12:11:58.917015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012471
observed da0c349edc060a34c50e84ec41918250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:58.899954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012471/manifest.json
observed 65ba2798ea0ebb399da32339b743ec5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:58.881591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012471/publication.md
observed 2ba747cb8ceee51aa654ec5f6dcf5492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:58.862574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012471/publication.txt
observed 8ee6c7920cccba5ab458784dbab1f822...
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.