OpenTechnical

OT-2026-000077340

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum 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-2026-000077340) never changes.

Identity and time

Publication numberOT-2026-000077340 · never reused
Internal UUID01a0ae94-f509-7f6b-80d4-355db37cabff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077340
StatusPUBLIC

Content hashes

Canonical text8d210c6d4300c910911bf26be453637adb4dda2965cc46c03401bf7c1e291601
Markdown34f61d7a8f98511ed3a31b6c47a42c371b855496ac110fd60ae646d0fcc62ede
PDF
Publication pagee305783501a76798c07c5f6ed6889eaaa90b68546a8e8268413cb8362161e9bc
Manifest38cc9ba69b11df414f49734a7883a64803b238035af249d96def7ec041d671f7

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
SignaturesT2WmZq1jqUxmC4vJGf3AV01+wii8B36PiyJasuxGsAbaQk49CvMrrn30shJsdgj/kBHLDGucouZu20o6r9JDw==
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

2026-09-17T10:08:58.870958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077340
observed e305783501a76798c07c5f6ed6889eaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:58.853172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077340/manifest.json
observed 38cc9ba69b11df414f49734a7883a648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:58.833906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077340/publication.md
observed 34f61d7a8f98511ed3a31b6c47a42c37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:58.773494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077340/publication.txt
observed 8d210c6d4300c910911bf26be453637a...
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.