OT-2026-000004072
Publication integrity record
Bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000004072) never changes.
Identity and time
| Publication number | OT-2026-000004072 · never reused |
|---|---|
| Internal UUID | 01a0a90e-3f91-7e61-98da-05f84f05536d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:11:18.419380Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004072 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7132210692ed5371648ec4f24acffb26eeabae314fac0fc24e2b598e12a7e1b7 |
|---|---|
| Markdown | c527682091c2cec9744e6afca4251a3f334292280e62ccd48310d0d5782bd3b7 |
| Publication page | 50a70b814cd9bd73e991e1ed72a9da40432cbfc9583854d96098860f93017eba |
| Manifest | 07af6b2dc5d8bad9191ef92914ea307fb7a05aa7a586b877075d9013dc5b1630 |
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 | VUA446da4CoGLC0+jpNJTyn0HS6Q9fbj98MTR9zxAosz1OBoiHlMGCGYOKx7yS6IAIAaGEqi9W0SFE+8LWRrCg== |
| 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
| 2026-09-16T07:30:35.472159Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004072observed 50a70b814cd9bd73e991e1ed72a9da40...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:35.456885Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004072/manifest.jsonobserved 07af6b2dc5d8bad9191ef92914ea307f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:35.443000Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004072/publication.mdobserved c527682091c2cec9744e6afca4251a3f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:35.429285Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004072/publication.txtobserved 7132210692ed5371648ec4f24acffb26...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. |
|---|