OT-2026-000004489
Publication integrity record
Bellows cup vacuum gripper, four zone face, four outlet manifold, ejector fed
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-2026-000004489) never changes.
Identity and time
| Publication number | OT-2026-000004489 · never reused |
|---|---|
| Internal UUID | 01a0a919-b609-7975-9b44-375b4dafe8a4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:23:49.646635Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004489 |
| Status | PUBLIC |
Content hashes
| Canonical text | fbd4465d433ae1791ed949576a3bd7e5b54cc03cb41c14df97100d116d20d889 |
|---|---|
| Markdown | 3d35536ac902fcffead3010c41184762f1883e0c822d55bcccc1e04f1c716548 |
| Publication page | ca86d75e343600684ba78dd15c6e4224e23413353c2a8edcb1ab49a260ee162d |
| Manifest | 9c29f15cd904a197e12d1b0388af9de08100153d58d0c704c671064aba25cb97 |
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 | QLv+1m0bs+QJu8cPuAp7NeEhhOGl7TbHmJUij39YbnRm11dtecwKK8vIta2qWcUngW2ZrZo3zuWcS14mAEe8CA== |
| 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
| 2026-09-16T07:30:21.996208Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004489observed ca86d75e343600684ba78dd15c6e4224...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:21.984891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004489/manifest.jsonobserved 9c29f15cd904a197e12d1b0388af9de0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:21.973195Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004489/publication.mdobserved 3d35536ac902fcffead3010c41184762...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:21.961181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004489/publication.txtobserved fbd4465d433ae1791ed949576a3bd7e5...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. |
|---|