OT-2026-000021257
Publication integrity record
Four cup vacuum gripper, four 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-2026-000021257) never changes.
Identity and time
| Publication number | OT-2026-000021257 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-7e5a-8b3f-8fef829e12c5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021257 |
| Status | PUBLIC |
Content hashes
| Canonical text | b3a974588a7ab16debdf6c54bd4ce0e71d2a1326be642c0e693421fcee45da07 |
|---|---|
| Markdown | 3276cb649daaf08d10f744b736aff6bfad313855d803f4e81385ce2c7c4b688d |
| Publication page | 6af3b185c50849f53ad871acdd2e9b4800d321e3fb78b6f61b2792b0f95b2fc3 |
| Manifest | 395f5b9e7e3e4208f0e7a8e68af4a727a4585b4298cf745989ec180088cee39a |
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 | KnBkP9rrzGpe4Ut+9sqvHbqh3rVCEw/JFhv5lpKWfjaJwSRooaTqdu4DBqNbWZUKdlVxEYhd56KDKX59+cx+AQ== |
| 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
| 2026-09-17T11:55:04.704289Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021257observed 6af3b185c50849f53ad871acdd2e9b48...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:04.687290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021257/manifest.jsonobserved 395f5b9e7e3e4208f0e7a8e68af4a727...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:04.669770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021257/publication.mdobserved 3276cb649daaf08d10f744b736aff6bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:04.651426Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021257/publication.txtobserved b3a974588a7ab16debdf6c54bd4ce0e7...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. |
|---|