OT-2026-000004341
Publication integrity record
Vacuum cup gripper, two zone face, common isolation valve, two stage ejector
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-2026-000004341) never changes.
Identity and time
| Publication number | OT-2026-000004341 · never reused |
|---|---|
| Internal UUID | 01a0a914-8b1f-7b0f-be02-5ce7429dd40d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:18:10.979682Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004341 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2b08a05be31474506a018fe022f3cc555691a5eed748b821f7a20a123be5c77f |
|---|---|
| Markdown | 82653804b1d9a737229f8c03b7e9967c5a0b57bc4fe9029a5ce33ae1b9f82666 |
| Publication page | 162d20decf8a04884f2b57ff482b68959fc2796d9e9ccbfb44641f57a41ab69b |
| Manifest | 0b21f5be847d6fafb9de4a43381223f2a7d274a593eead33b3e1d7b889302343 |
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 | RQa52epOEQzuXvyRpKDC2HAZuorFeU1B5rTl5L+4GjqSRkmOC6EoSU0GgemYbqCpuyy4HpY0jixdwuiF2dYQCQ== |
| 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
| 2026-09-16T08:41:35.626025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004341observed 162d20decf8a04884f2b57ff482b6895...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:41:35.215898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004341/manifest.jsonobserved 0b21f5be847d6fafb9de4a43381223f2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:41:34.498864Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004341/publication.mdobserved 82653804b1d9a737229f8c03b7e9967c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:41:34.126117Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004341/publication.txtobserved 2b08a05be31474506a018fe022f3cc55...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:08.909724Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004341observed 162d20decf8a04884f2b57ff482b6895...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:08.895672Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004341/manifest.jsonobserved 0b21f5be847d6fafb9de4a43381223f2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:08.879478Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004341/publication.mdobserved 82653804b1d9a737229f8c03b7e9967c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:08.736255Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004341/publication.txtobserved 2b08a05be31474506a018fe022f3cc55...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. |
|---|