OT-2026-000003641
Publication integrity record
Vacuum cup gripper, common isolation valve, two outlet manifold, two stage ejector, pressure verified
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-2026-000003641) never changes.
Identity and time
| Publication number | OT-2026-000003641 · never reused |
|---|---|
| Internal UUID | 01a0a90a-9d6e-71a5-972e-4402b14256b0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:20.305074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003641 |
| Status | PUBLIC |
Content hashes
| Canonical text | b711e6ba39c146b92157bd7e440e79a093b85d69e3e2af6934cc4525e502a73f |
|---|---|
| Markdown | 643293bf39ca35f781483257c4f56986321680f74fb2a12b5ad868d1b851452e |
| Publication page | ab1e3b6cbb4b605e84df803e0a733bbbc9a52b3e417e5ad17a5f4ecd6afa47a7 |
| Manifest | f2288e840591b86615f40ed81b899796399ee7fa5590f05d8d782cf3cc994218 |
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 | UEblu1jRJzOHfHhwe+H6P3Wk3xOWejmmTsU3512hexqpOb/9zf96kb82hoHu/qHQaikgcLJ9+NjAHkgHc8mWDQ== |
| 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
| 2026-09-16T08:20:39.206968Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003641observed ab1e3b6cbb4b605e84df803e0a733bbb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:20:39.191897Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003641/manifest.jsonobserved f2288e840591b86615f40ed81b899796...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:39.175743Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003641/publication.mdobserved 643293bf39ca35f781483257c4f56986...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:39.160158Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003641/publication.txtobserved b711e6ba39c146b92157bd7e440e79a0...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. |
|---|