OpenTechnical

OT-2026-000042012

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000042012) never changes.

Identity and time

Publication numberOT-2026-000042012 · never reused
Internal UUID01a0ae7a-5d70-7ef5-89d8-74074c4eaba8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042012
StatusPUBLIC

Content hashes

Canonical texte7d9fc58ce96e61938411d7e9ac778bc490b673ff238de667835de1cd3bd0a68
Markdowne7bbd28d650efafe1df4f18f19f1faf3e1db600c43a00bfe5b1d6ca81a85d760
PDF
Publication page4c0023716c42410423bf022098c8d0445b619095b73ffec3ad0f8deaec4fb7d2
Manifest3f08a3b86746a0c739d6126e7480f9c70e59649dbca26f6399c61ec706c0b44c

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
SignatureiIJ6O8JSjYszdyrRRmuZYI9BqWs+S+Hy0BNaznWOQqf4Azb5LMLlpKDJXUzkscGdmTJjd/vOjm4HewT6UnhSAQ==
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

2026-09-17T11:15:30.801104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042012
observed 4c0023716c42410423bf022098c8d044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:30.781183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042012/manifest.json
observed 3f08a3b86746a0c739d6126e7480f9c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:30.761768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042012/publication.md
observed e7bbd28d650efafe1df4f18f19f1faf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:30.741391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042012/publication.txt
observed e7d9fc58ce96e61938411d7e9ac778bc...
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.