OpenTechnical

OT-2026-000083221

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, sustained 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-2026-000083221) never changes.

Identity and time

Publication numberOT-2026-000083221 · never reused
Internal UUID01a0ae97-c963-7eb2-b063-6ba38e0f1965 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083221
StatusPUBLIC

Content hashes

Canonical text5558e3deca5d3e548f83d35cfab3243f42503324553e3e54b1e534c5b4e3d0f0
Markdown857a81239d3a52fc115bf3e79246ad8f7239c4953e87e170719022674fe2d8a5
PDF
Publication pagece5fafeb18fe13725170944fa34020f3da8cba3caf3023a806b743a686673d90
Manifest945cc76aeb721cfdb04f714f83fb01362b00890e91c1c8b27fc095b96f1e3625

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
Signature/Z4hcE2GM+Gt0Qt4mMj2DpEGsL1SCWS9EQY88msI5gJU1gdKvL69HY6zo5+rUHQxQVUUvnA49SNZKT755FvlBQ==
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

2026-09-17T09:01:08.589629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083221
observed ce5fafeb18fe13725170944fa34020f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:08.570585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083221/manifest.json
observed 945cc76aeb721cfdb04f714f83fb0136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:08.431094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083221/publication.md
observed 857a81239d3a52fc115bf3e79246ad8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:08.400013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083221/publication.txt
observed 5558e3deca5d3e548f83d35cfab3243f...
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.