OT-2026-000004219
Publication integrity record
Vacuum cup gripper, three zone face, six outlet manifold, ejector fed, pressure verified, contact triggered
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-2026-000004219) never changes.
Identity and time
| Publication number | OT-2026-000004219 · never reused |
|---|---|
| Internal UUID | 01a0a911-9f23-767e-8ae5-e8198888e5c8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:59.497317Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004219 |
| Status | PUBLIC |
Content hashes
| Canonical text | 796900babddb3b0fa66920f52023ebd3da7a2272f179a9821c80180c1c9aaf9e |
|---|---|
| Markdown | 0e558cde27298719a261f185dc15c82f42b2269dce4253251b569eba01288a54 |
| Publication page | dfbec91e56204006a4530057ffee2660951c343c38f80ceb6161f20ff55ecf60 |
| Manifest | 8a89c1ce14f3d4282e5c1d9834dffa603d7e76ce0a256de829aa93f1df79eda6 |
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 | 4zvXkOHkHwUh1rP8M9Abipu4V3quoAj0bg0nZ6FRyNkinIbIIY727yxycIhadBNkOT3sDwL0TJOiW8UL/xt0AQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:22.662562Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004219observed dfbec91e56204006a4530057ffee2660...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:22.649542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004219/manifest.jsonobserved 8a89c1ce14f3d4282e5c1d9834dffa60...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:22.635977Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004219/publication.mdobserved 0e558cde27298719a261f185dc15c82f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:22.619383Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004219/publication.txtobserved 796900babddb3b0fa66920f52023ebd3...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. |
|---|