OT-2026-000004278
Publication integrity record
Vacuum cup gripper, two zone face, common isolation valve, pump 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-2026-000004278) never changes.
Identity and time
| Publication number | OT-2026-000004278 · never reused |
|---|---|
| Internal UUID | 01a0a913-0c8f-744c-be77-44e47c910e02 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:33.042670Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004278 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5292f2fdbf2011b21c85d212d9c5ba8932b4021b45fc9be21d0c5137493abe16 |
|---|---|
| Markdown | 2746bc254164449084fb496ba4e0a2e6b2b26285df74c4de47ba13922cf855d8 |
| Publication page | 7f75daf776b497e185f8814ceadf24f64cbcf53241d58ff77ebd77ab1242f100 |
| Manifest | 3e7906459f154136b516db66a9783f7f5018a6153ab7db8fa448632d21e49f61 |
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 | ZeksQCtQqgb2sQZ0I262rjeoLsRkglQfIqoEDdz7l7GWJVID4IQjl3kpK9Wf8qknEM1/N70WrgiLvfz/SJF0BQ== |
| 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
| 2026-09-16T07:20:15.969945Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004278observed 7f75daf776b497e185f8814ceadf24f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:15.956401Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004278/manifest.jsonobserved 3e7906459f154136b516db66a9783f7f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:15.940068Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004278/publication.mdobserved 2746bc254164449084fb496ba4e0a2e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:15.926471Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004278/publication.txtobserved 5292f2fdbf2011b21c85d212d9c5ba89...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. |
|---|