OT-2026-000028994
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
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-2026-000028994) never changes.
Identity and time
| Publication number | OT-2026-000028994 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-7b13-af8c-a0f8bab19595 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028994 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5e404053b762b8b4204cbf6327a7d3c5d37446c8f3d860a24288676dfa464328 |
|---|---|
| Markdown | ae7bafb9cd7839ed32736fa3670b2ff407b3991cc38648119e4a55ec86f06a46 |
| Publication page | ea2ef71ebff7ee1c2e5d66e6fc81a31689fb5eab13369677649e00acfae1540e |
| Manifest | 29579323c24be69b093b5535184102da21ee6e8b758a1181fbd9889b4d2834ef |
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 | Yjjr8u3JjMyEjrRFrgzsArqwFyhmvicr570/SVMFB685wlzFfZvu/WmNEgBdCZt6zvx/bygW04gM8sLyqswkBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T08:20:32.447602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028994observed ea2ef71ebff7ee1c2e5d66e6fc81a316...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:32.429703Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028994/manifest.jsonobserved 29579323c24be69b093b5535184102da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:32.289932Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028994/publication.mdobserved ae7bafb9cd7839ed32736fa3670b2ff4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:32.271732Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028994/publication.txtobserved 5e404053b762b8b4204cbf6327a7d3c5...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. |
|---|