OpenTechnical

OT-2026-000019011

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, pulsed 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-2026-000019011) never changes.

Identity and time

Publication numberOT-2026-000019011 · never reused
Internal UUID01a0ae6e-d523-76bc-a092-323be9142c9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019011
StatusPUBLIC

Content hashes

Canonical text388240292db131190a9fc445e9aeb30edbe6acc434078a6df6f81bd8c821838c
Markdown495afa4184d608fe6e0e4d2516659b5364da03aeaa03a96aa449bfafdc848ab0
PDF
Publication page7e39479e500e7e6e1b166ed7e3686d866b6800eac8f3c1ad6eeb3ba02188e191
Manifeste5ca8bf21ea605c6b0819814c5866f84d2c32c41e715e8a45c3226289c973f95

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
SignatureeYyridlZHCvHWWxkjukAm6fmi2KhMbMoConsgwO8MO06bHXlVmDdJlag7dasxjx92pLNaEX36HKQhJXFStGhDQ==
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

2026-09-17T11:59:41.957434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019011
observed 7e39479e500e7e6e1b166ed7e3686d86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:41.939105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019011/manifest.json
observed e5ca8bf21ea605c6b0819814c5866f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:41.920548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019011/publication.md
observed 495afa4184d608fe6e0e4d2516659b53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:41.904974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019011/publication.txt
observed 388240292db131190a9fc445e9aeb30e...
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.