OpenTechnical

OT-2026-000091909

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000091909) never changes.

Identity and time

Publication numberOT-2026-000091909 · never reused
Internal UUID01a0ae9d-43ba-7fc3-9fe9-a60949cf279d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091909
StatusPUBLIC

Content hashes

Canonical text70d1ca513d2b9f74ff295761aabf9d516f4a723b697252dc595ccb4fb74c9779
Markdownc2f04c724d8ccf45f7ca227409c2a44e5ae428a216e40bea19daa3e6389f1606
PDF
Publication pagee983d7b257b103d452eaa30ec160b4933a8033435b0ca81bdf005fb16def4fa9
Manifest74df24312d0b549792e6d285759c558004d7dfb1a00bf22d49ec12835bf075bd

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
SignatureFEpmxrlrZhTGauyf2KSi7KZYDR7donAE4VxlX1JUNKhf6dITdYA6CEl6rLrz5QFTtaQFfei6f5BCHYDAo7qPDQ==
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

2026-09-17T09:42:50.841421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091909
observed e983d7b257b103d452eaa30ec160b493...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:50.824438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091909/manifest.json
observed 74df24312d0b549792e6d285759c5580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:50.807798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091909/publication.md
observed c2f04c724d8ccf45f7ca227409c2a44e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:50.790168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091909/publication.txt
observed 70d1ca513d2b9f74ff295761aabf9d51...
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.