OT-2026-000021407
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000021407) never changes.
Identity and time
| Publication number | OT-2026-000021407 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-7fb4-b4b1-b9c27ac8921c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021407 |
| Status | PUBLIC |
Content hashes
| Canonical text | 18b2d884f3d3b0d27053eb57b9768dc6ed1b5fd3f8e5d50ee6b43a66697658c2 |
|---|---|
| Markdown | 19c7fc52b26a0cf4a68e470e7909bf786825cc26f0d618cd7ea14076e6ffdb0b |
| Publication page | d30b83979f2b106cb7e80485d573c618872f6ac802eb84ba35a9dd57101192fd |
| Manifest | 59a5e6d43e1ba273417cc9553d1332ddfcf41c58ed3b77c8c17c85c305a3d32c |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | o5CjdJtakwQZc850n2v9IHC75SBTgF4euR7JtapAhHrjvabr6ePW0iChVyciggqqJZKLWuv0/RJDPwzcx+nMDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:55:18.241429Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021407observed d30b83979f2b106cb7e80485d573c618...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:18.217845Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021407/manifest.jsonobserved 59a5e6d43e1ba273417cc9553d1332dd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:18.195507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021407/publication.mdobserved 19c7fc52b26a0cf4a68e470e7909bf78...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:18.169864Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021407/publication.txtobserved 18b2d884f3d3b0d27053eb57b9768dc6...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 archive | Pending 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 package | Pending Custody packages are produced weekly. |
|---|