OpenTechnical

OT-2026-000084405

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, sustained 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-2026-000084405) never changes.

Identity and time

Publication numberOT-2026-000084405 · never reused
Internal UUID01a0ae98-5b62-750e-a38b-1d37faf82010 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084405
StatusPUBLIC

Content hashes

Canonical text1d61cd5d38a60fc350de94615f042999bfeac1af0e40e78566b753823fb1af61
Markdown8902b14edd7c8efe13cadfcd6a9d158e6a8693208e788e18d44d1ae79713c1c6
PDF
Publication pagee7927e326db13204abc898ab01027024e077804558895ee2382973eed7b4edc7
Manifestef13e108208e35b8c90920ca67d9eccf591c5d01c4809d1d05026b8cc0ef3024

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
SignaturefOm2wD2rofQEHbqmx8K+YzUDFmuk2WIWEYgsXHCn5bAyXPKr5TGKp2Rs/7PdRwhEdlRMbIx/EVCQy6sf3ES9AA==
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

2026-09-17T09:56:21.095334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084405
observed e7927e326db13204abc898ab01027024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.079421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084405/manifest.json
observed ef13e108208e35b8c90920ca67d9eccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.062087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084405/publication.md
observed 8902b14edd7c8efe13cadfcd6a9d158e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.046298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084405/publication.txt
observed 1d61cd5d38a60fc350de94615f042999...
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.