OpenTechnical

OT-2026-000064472

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000064472) never changes.

Identity and time

Publication numberOT-2026-000064472 · never reused
Internal UUID01a0ae8d-a461-7b37-9027-b0b5d463b6fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064472
StatusPUBLIC

Content hashes

Canonical text872cf1cb3258994e8c2d322f7cb9415620a48c40873caeca60f963b257b618e2
Markdown9f55032768c6c44a4d18825aafb797f2ca0688e3ba6e9239bde8204df32a0d14
PDF
Publication page2e32887c8d2b64534c1e270449b65c554254cddefac96ab7a670af28638281ba
Manifest9bf48b9805470d31d0a76aecfed275e91450b14a90a8f5223ccc96eeef44dba3

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
SignaturernQDx8AcV8rG9KgiWDj+Ni+TByowxP+PjybyyhKKbFIepbNPsShJHHEtD4A8EqSZpdu0/uWritaxB8nbHlllBQ==
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

2026-09-17T10:36:39.878131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064472
observed 2e32887c8d2b64534c1e270449b65c55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:39.859948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064472/manifest.json
observed 9bf48b9805470d31d0a76aecfed275e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:39.840466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064472/publication.md
observed 9f55032768c6c44a4d18825aafb797f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:39.822852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064472/publication.txt
observed 872cf1cb3258994e8c2d322f7cb94156...
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.