OpenTechnical

OT-2026-000083406

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000083406) never changes.

Identity and time

Publication numberOT-2026-000083406 · never reused
Internal UUID01a0ae97-c964-76a9-b2a4-1401c6e782e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083406
StatusPUBLIC

Content hashes

Canonical texte9f420079c64102917620ca4a3bba250633c3dde1a66f85fabaa6022e45e7124
Markdowndfca16dc2a4511d59b4cc09345265d20a4ea9a5c25f89376852cc940a4e88e2b
PDF
Publication pageac2a43aba5d669c15f6a72be7b23ebabdd6b4e482a724fbf4080d698514c90fe
Manifest500ca62362270e2383a618c54a567b5e29e623fe3891f5b2fd6c03cb29af0876

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
SignatureOcOb5FGggYYP9OKXUOGTvC3yD0UISf/yH9AAtzXE+vTaJHP1/kuglNM97MJ5i8g6TDVYsP1QijWgquz+zbQjDA==
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

2026-09-17T09:57:49.075776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083406
observed ac2a43aba5d669c15f6a72be7b23ebab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:49.060276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083406/manifest.json
observed 500ca62362270e2383a618c54a567b5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:49.043304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083406/publication.md
observed dfca16dc2a4511d59b4cc09345265d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:49.027648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083406/publication.txt
observed e9f420079c64102917620ca4a3bba250...
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.