OT-2026-000005494
Publication integrity record
Vacuum cup gripper, three zone face, common isolation valve, pump fed, 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-2026-000005494) never changes.
Identity and time
| Publication number | OT-2026-000005494 · never reused |
|---|---|
| Internal UUID | 01a0a93a-c636-7991-9617-26766d78eb15 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:59:56.473220Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005494 |
| Status | PUBLIC |
Content hashes
| Canonical text | 862cd0c6456e1b4b8747d53ac222c1f7a7691b8a622cdd4e9c7159dda8554fad |
|---|---|
| Markdown | ec748f184443a3ff9fde2158e06ea386afdefa43b08c44e290620465c210db15 |
| Publication page | 9292f42634b6c67dd7c04a8d7e2e74098c98801f098a2efb362a7a828abb6205 |
| Manifest | e632390aee81143a90089d0cd740c390120fcbaf8d1f7fad838d81527f7ae307 |
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 | y/iMQuxWJN0EjNTgOENwg7o570u7Sf70qk+U9rTfgoiCwOAUi0K4/uzV/AhgT78O8guQHvN9gclv+WWqwpsZDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:00:02.670149Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005494observed 9292f42634b6c67dd7c04a8d7e2e7409...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:02.653978Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005494/manifest.jsonobserved e632390aee81143a90089d0cd740c390...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:02.633529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005494/publication.mdobserved ec748f184443a3ff9fde2158e06ea386...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:02.494457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005494/publication.txtobserved 862cd0c6456e1b4b8747d53ac222c1f7...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. |
|---|