OpenTechnical

OT-2026-000070391

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, 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-2026-000070391) never changes.

Identity and time

Publication numberOT-2026-000070391 · never reused
Internal UUID01a0ae91-545f-7c00-a6b8-a37d44186051 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070391
StatusPUBLIC

Content hashes

Canonical text00a1dacb8e5f924a012d8aa3346bf3ee7905d4fc0de4491a0bbf52e97e447421
Markdowna423693279a3b941c7ac2abfa105a8d435716f9c6e09eae9340bae7daad0bca7
PDF
Publication pagea8c02f4d11e7b43bef61e16b930f0247ee3fafac99b91a3f889a931cf286d1df
Manifest6f147e4b3a3b4477c3daa7a1a367dd5945518123a78daeee086e25acf8a1b149

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
Signature6yX+kwo5+jTh1XoFxai2kbQCkPrfE17mNwehl93VWV8AxK5oMC/0QMxctjOi0ZJmz/7+N3kYlNECtEZIFQ2FBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:11.796286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070391
observed a8c02f4d11e7b43bef61e16b930f0247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:11.776858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070391/manifest.json
observed 6f147e4b3a3b4477c3daa7a1a367dd59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:11.758858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070391/publication.md
observed a423693279a3b941c7ac2abfa105a8d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:11.740274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070391/publication.txt
observed 00a1dacb8e5f924a012d8aa3346bf3ee...
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.