OT-2026-000021009
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000021009) never changes.
Identity and time
| Publication number | OT-2026-000021009 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e4-78ba-a0ed-a4b851d2ce23 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021009 |
| Status | PUBLIC |
Content hashes
| Canonical text | 33de07fed217a3c0186db755c4c6b5d8cc6016631b81ad5eac1bbd50cd39ae9d |
|---|---|
| Markdown | 4f098ee77f3a7b7f26d7510c9c54b08e30f1c1d139a1b61c37c8f64f591eb863 |
| Publication page | 99fbb71a660c1498506c3494240acbbc65d04755b401d560b0019fdb47fd2a7a |
| Manifest | 4c9781e0852be6164ff79551e2cab3f9be427b661aebd853919e3da3d0a29cf6 |
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 | Db5WjUQYE9oYlp+lajJEk/bbsGW1p5+rEXOVEEQaVj29AzJacx6ySGHcljrSztDO2T5fsj+tNeJzx9SyXaf5Bw== |
| 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
| 2026-09-17T11:56:10.096404Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021009observed 99fbb71a660c1498506c3494240acbbc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:10.079715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021009/manifest.jsonobserved 4c9781e0852be6164ff79551e2cab3f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:10.061507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021009/publication.mdobserved 4f098ee77f3a7b7f26d7510c9c54b08e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:10.043420Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021009/publication.txtobserved 33de07fed217a3c0186db755c4c6b5d8...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. |
|---|