OT-2026-000004202
Publication integrity record
Vacuum cup gripper, four zone face, per zone isolation, pump fed, pressure verified, polyurethane cups
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-2026-000004202) never changes.
Identity and time
| Publication number | OT-2026-000004202 · never reused |
|---|---|
| Internal UUID | 01a0a911-5601-7c63-a311-92296bc3b147 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:40.772307Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004202 |
| Status | PUBLIC |
Content hashes
| Canonical text | b8d75662f8db72703de4960985a50ee8a4ff8c3e9b3503fe687fc251e6af0a15 |
|---|---|
| Markdown | 4d438f05602d650b0d95505312ef2e428da157a71373c8e14c6e3e567a79165b |
| Publication page | 2665e6a4acdaa38bb86e2cb1550b1a34fafe2402cf6ecf220cb07d3aa9c34395 |
| Manifest | 6e1da9915d2e89f62dca5f9b797d6740e7e051fdcbb50263bfa2695d37520ebf |
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 | hNesIqtBvCW/2Y85gN58nHujskude1LyRe6qWM4i/bRTH08mrn3DsYnCef+7Zhc8awqlp7T6u2V9aQ+HOpZ5Aw== |
| 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
| 2026-09-16T07:20:24.619928Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004202observed 2665e6a4acdaa38bb86e2cb1550b1a34...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:24.496839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004202/manifest.jsonobserved 6e1da9915d2e89f62dca5f9b797d6740...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:24.484686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004202/publication.mdobserved 4d438f05602d650b0d95505312ef2e42...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:24.472287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004202/publication.txtobserved b8d75662f8db72703de4960985a50ee8...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. |
|---|