OpenTechnical

OT-2026-000013911

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000013911) never changes.

Identity and time

Publication numberOT-2026-000013911 · never reused
Internal UUID01a0ae6d-8dea-747e-a142-dbc7e17d4879 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013911
StatusPUBLIC

Content hashes

Canonical text28c6c61670c627c53eb3848cd71de17d7905e7d0e6488fc32efbaecaa692dc51
Markdown8bec388318f3defafbd2045718789225b394a5aa25ddde356c93643b7ff320b1
PDF
Publication page1ac512832876825a8af13e02f3b3f601958453845747bf1d59c8cbbdd24ee5bc
Manifest824fedf42394885a93043a1b8824b0c2a39d6cb9ff5fa6d258b8859d622ec840

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
Signature4Ab99+KFFPdjXJZFL4sIvMvLqXROZsRkiFpCeELUbNh9xTzO3dz9NS/rm6RCLfxEnpHqrpdZv8nz4VUXiASnCA==
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

2026-09-17T12:09:02.451120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013911
observed 1ac512832876825a8af13e02f3b3f601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:02.431019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013911/manifest.json
observed 824fedf42394885a93043a1b8824b0c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:02.412026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013911/publication.md
observed 8bec388318f3defafbd2045718789225...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:02.391693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013911/publication.txt
observed 28c6c61670c627c53eb3848cd71de17d...
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.