OT-2026-000004543
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, two outlet manifold, two stage ejector, 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-2026-000004543) never changes.
Identity and time
| Publication number | OT-2026-000004543 · never reused |
|---|---|
| Internal UUID | 01a0a91b-72b7-73e2-ae51-ad746cbe18a7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:25:43.481817Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004543 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8da78ea90bea54e05883c9cc17a7e6a0661d67b005066d958f4548bb8f27bfca |
|---|---|
| Markdown | ad49d941af171ec481801c25257848fabd85b8ba3422769c6b12f660e86bff53 |
| Publication page | db0b497536452809b1cfe3681fee79b901257bb0d0fad634e18bbc2d54d40950 |
| Manifest | acccc1dc1a62291a473f4ec0f21f068d93f5d876bbe0f684db1f46c9c2c85968 |
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 | rNg9KmSqxpIa9Ax2M9mBtjvlCSf3USqjU5Se/+wy8OlCvCMUb5x11zM4cRZHR7NacWE3fOkGpLW21MLFop3YAA== |
| 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
| 2026-09-16T07:30:16.478785Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004543observed db0b497536452809b1cfe3681fee79b9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:16.465214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004543/manifest.jsonobserved acccc1dc1a62291a473f4ec0f21f068d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:16.446142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004543/publication.mdobserved ad49d941af171ec481801c25257848fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:16.430967Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004543/publication.txtobserved 8da78ea90bea54e05883c9cc17a7e6a0...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. |
|---|