OT-2026-000004073
Publication integrity record
Vacuum cup gripper, common isolation valve, three 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-2026-000004073) never changes.
Identity and time
| Publication number | OT-2026-000004073 · never reused |
|---|---|
| Internal UUID | 01a0a90e-443f-70a8-a104-3bababc02588 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:11:19.618593Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004073 |
| Status | PUBLIC |
Content hashes
| Canonical text | ba11847c9e3b70482a387a5033c495d399962a3b9273b3b538130b2804362d48 |
|---|---|
| Markdown | e08728c4bb03b51c57fa9eb7b4ca0128c16eec4831d1555c9fbeeae51442f11b |
| Publication page | 6fd5bcabf74705f2b2356703b75d5b67c60c34457b12a073246faf5b38ada4bb |
| Manifest | dfd2a5ad91e49536da298fdb2d93dd33ea5da55fa06f2d44a2706ba2c7c112c7 |
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 | WfVisbClCYflhhEKwqt0jU+PiPrNDXhTVNmQC7IqdvYFCiXxddXCBOgf+npRHIOgR6gg5U4nFOlY0NnRugNwDQ== |
| 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
| 2026-09-16T07:30:35.412129Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004073observed 6fd5bcabf74705f2b2356703b75d5b67...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:35.397861Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004073/manifest.jsonobserved dfd2a5ad91e49536da298fdb2d93dd33...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:35.385234Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004073/publication.mdobserved e08728c4bb03b51c57fa9eb7b4ca0128...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:35.370045Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004073/publication.txtobserved ba11847c9e3b70482a387a5033c495d3...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. |
|---|