OpenTechnical

OT-2026-000067339

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000067339) never changes.

Identity and time

Publication numberOT-2026-000067339 · never reused
Internal UUID01a0ae8f-6bd7-7df7-b5a4-a638b5e97ab5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067339
StatusPUBLIC

Content hashes

Canonical text0d54cd04d2eff3d5710fa96e569b873d92776f267fa80d957df00e026d280994
Markdown44623efa9dff9b78da669d633a8f57b82be1b9e8b2cfccd3d0961df1fcba6341
PDF
Publication page3a139f1bf700d1a994af7cf5e71a5a8c530052edb89f82a19bf571835a8653d4
Manifestdb79898c01cf620c09eea01d7e6385337e72467cf7c0fa97502fb24da9267d20

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
SignaturesOMUcQEbmzLzBqzZ4HHRj+TWv31oFCZyc7dcVp2prjiKOrEfVnc2f14Yu1TEgXQ83e7WpO5lYFKQFpjxdtpcBA==
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

2026-09-17T10:31:31.264585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067339
observed 3a139f1bf700d1a994af7cf5e71a5a8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:31.248872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067339/manifest.json
observed db79898c01cf620c09eea01d7e638533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:31.229206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067339/publication.md
observed 44623efa9dff9b78da669d633a8f57b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:31.211788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067339/publication.txt
observed 0d54cd04d2eff3d5710fa96e569b873d...
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.