OpenTechnical

OT-2026-000010531

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented after 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-2026-000010531) never changes.

Identity and time

Publication numberOT-2026-000010531 · never reused
Internal UUID01a0ae6c-0ee7-7dee-b452-1b03a889ae5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010531
StatusPUBLIC

Content hashes

Canonical text45dd900aac16b1f38790eec90170f6efb96a22c7778c05728fab8a821619b87e
Markdowncb6250f1bc8f732108ea708a7ae015dae613d6e5dd6a213892f7e6d34bffe238
PDF
Publication pageeb9881d79e0e133d0eb07626df91a72a2dcd6c41766fa2360cc2a86424be8068
Manifest15dc581509322e49930ec7b9007e230794d1340734ff81930dc6e0f880b8b8a7

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
SignatureOaz9N6w1CkixztV8WozzkRJgITwW0VsXkc6wsutekcuMdaf94/TT0GaKSEo5MI4EOyR7gV3o49SV5NRyGwtQDw==
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

2026-09-17T12:14:41.531451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010531
observed eb9881d79e0e133d0eb07626df91a72a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:41.512968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010531/manifest.json
observed 15dc581509322e49930ec7b9007e2307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:41.494296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010531/publication.md
observed cb6250f1bc8f732108ea708a7ae015da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:41.472541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010531/publication.txt
observed 45dd900aac16b1f38790eec90170f6ef...
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.