OpenTechnical

OT-2026-000032180

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000032180) never changes.

Identity and time

Publication numberOT-2026-000032180 · never reused
Internal UUID01a0ae74-f7a6-7012-96ce-934c72b40689 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032180
StatusPUBLIC

Content hashes

Canonical text6f0a3656287e23a7fc5fdf179325d832cf613ff64787ba399dac6de76520f306
Markdowna4b9e9d995c1f3b63ac0f1beb7ee642e5ad437104bf5f2de40992569e3142dc8
PDF
Publication page6e452a401658b115af9f2eaf0c8258c4439730eb9a726f38cabfce3e66e5cdc2
Manifest3fd7f0d535a0cb7596fab037c13d5b9f165712c01b8149e011af2a6a7277f1d2

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
SignatureNgEfCi+ZJWmkarjOz6Jvxah1vNKSXSlXAfzW5Cc/j5eljM0BMXeEZXKxlGkuaewDoC6R35GxMVTZgE5xzsfBBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:31.059230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032180
observed 6e452a401658b115af9f2eaf0c8258c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:31.039514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032180/manifest.json
observed 3fd7f0d535a0cb7596fab037c13d5b9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:31.017945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032180/publication.md
observed a4b9e9d995c1f3b63ac0f1beb7ee642e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:30.995818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032180/publication.txt
observed 6f0a3656287e23a7fc5fdf179325d832...
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.