OT-2026-000020219
Publication integrity record
Four cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000020219) never changes.
Identity and time
| Publication number | OT-2026-000020219 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7ebb-98e6-43df58a95666 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020219 |
| Status | PUBLIC |
Content hashes
| Canonical text | 256ee7ed48b38eb4a7732f3a9e38f29d07e451bb875410577cd36aad15e0023a |
|---|---|
| Markdown | 5e6eee04faac9b3bf3244d21f83956291ff2ff6cd053539dd423b942fc841d80 |
| Publication page | 9b1d9896672b2994cc70777f0c1a913855ea1cd9696bd4490ce4dac6c3e41508 |
| Manifest | ba376ce038eee54ea1e671283678c37184c675e1b35a3b07ab904a728b0f0a2e |
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 | oViB3rvqPJ5msPTqcCEYudUEgEYfZhzwvjhrv+XGzj6+1q8Ww72k+y8NB1IXsGVTUxwVJXcpYFVIolryui61AQ== |
| 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
| 2026-09-17T11:56:33.168315Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020219observed 9b1d9896672b2994cc70777f0c1a9138...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:33.149728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020219/manifest.jsonobserved ba376ce038eee54ea1e671283678c371...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:33.129561Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020219/publication.mdobserved 5e6eee04faac9b3bf3244d21f8395629...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:33.108729Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020219/publication.txtobserved 256ee7ed48b38eb4a7732f3a9e38f29d...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. |
|---|