OT-2026-000004229
Publication integrity record
Vacuum cup gripper, common isolation valve, ejector fed, pressure verified at each zone
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-2026-000004229) never changes.
Identity and time
| Publication number | OT-2026-000004229 · never reused |
|---|---|
| Internal UUID | 01a0a911-d671-74f9-8417-712c60ee73f3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:15:13.653251Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004229 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5e5836143ad0acd48c435ea88cc0b284c00e3d4ad0078d403641033081d45925 |
|---|---|
| Markdown | d5edae58c11254c77c71aad7bc0150a6a5fe6fad6410b5a6d8b37dd6d4b3ca18 |
| Publication page | 1524dbfe9e193c65b62479f6d802d9bee4c7128ea342b71b35080e48e9dfd72f |
| Manifest | e2ebd8e358cd6f1c0b631872077e318cc9e8c46a52adc0d983bde72d2fbac249 |
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 | 2/wb+9nQc9ef2r2prE30LImcH/yikAlUHGkjZHrOKCnEBuHNy9g7ZILfMST+7WZGrxEKoqinQfTCJSn7F/VYBA== |
| 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
| 2026-09-16T07:20:21.628386Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004229observed 1524dbfe9e193c65b62479f6d802d9be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:21.494998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004229/manifest.jsonobserved e2ebd8e358cd6f1c0b631872077e318c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:21.480968Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004229/publication.mdobserved d5edae58c11254c77c71aad7bc0150a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:21.467040Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004229/publication.txtobserved 5e5836143ad0acd48c435ea88cc0b284...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. |
|---|