OT-2026-000019461
Publication integrity record
Single cup vacuum gripper, common isolation valve, two stage ejector, supply line 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-2026-000019461) never changes.
Identity and time
| Publication number | OT-2026-000019461 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-7967-a9ba-d70603ecbbb9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019461 |
| Status | PUBLIC |
Content hashes
| Canonical text | a1b1e8043adc7193c6123adf6d0db32bd6e24f56d8f5256178f8f78640a778e2 |
|---|---|
| Markdown | d439ce437466cd6951fcfde2dde79c02d98156000754214517bd657b8b956ffc |
| Publication page | 2b3dc8fc24e381b388f8b8c12e5fb536b00ec808d8e5bf9d18ba249541d28957 |
| Manifest | 7aa9bc57aa333ad33e7846c43455eeac8e633b7df5c6f217d8d90fdb5881de63 |
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 | 7FJKbe8oDkIe28+jxuJGl9TIBh/vYU/NG3lkFe9kQ9o2zl/OHoWUYTnPynt0mwyN+MZVrgD8ce684c9T/ZM2BQ== |
| 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
| 2026-09-17T11:58:51.926595Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019461observed 2b3dc8fc24e381b388f8b8c12e5fb536...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:51.909896Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019461/manifest.jsonobserved 7aa9bc57aa333ad33e7846c43455eeac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:51.891645Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019461/publication.mdobserved d439ce437466cd6951fcfde2dde79c02...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:51.874808Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019461/publication.txtobserved a1b1e8043adc7193c6123adf6d0db32b...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. |
|---|