OT-2026-000028477
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off before set-down
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-2026-000028477) never changes.
Identity and time
| Publication number | OT-2026-000028477 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f7-76c3-8b35-d0f3b4b85704 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028477 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8e72b2f93b6191214682071c4484e5fd7208ba4314af32ab3604a7c8aa5d6a4c |
|---|---|
| Markdown | 951309c714fc619eed61bc9d70e90b038f021e3b7b5910e1a50ed46b0d8891a5 |
| Publication page | aa4657caed26ee837e433a381fd508947b70f6418a0f407b391b940a8cb85fb5 |
| Manifest | 3a24505977648d7a0193c381b302f5627bcbd137d0275352fe08af328c5dccc2 |
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 | KHgEdB/4yxsQpEFwpsaLjXz7jlZoCmhBKhW2g5ZhFgtqzVLH6MnNgTKMh7AG+ZuIJKvP2W3kYxHCq9A6HYS9CA== |
| 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
| 2026-09-17T11:40:37.446871Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028477observed aa4657caed26ee837e433a381fd50894...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:37.428313Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028477/manifest.jsonobserved 3a24505977648d7a0193c381b302f562...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:37.410004Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028477/publication.mdobserved 951309c714fc619eed61bc9d70e90b03...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:37.390800Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028477/publication.txtobserved 8e72b2f93b6191214682071c4484e5fd...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. |
|---|