OT-2026-000031572
Publication integrity record
Single bellows cup vacuum gripper, pump fed, supply line 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-2026-000031572) never changes.
Identity and time
| Publication number | OT-2026-000031572 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87af-7b2f-85c8-dd3d8550f30b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031572 |
| Status | PUBLIC |
Content hashes
| Canonical text | 74d28be2237d3a6366ccd39c7dcfa26337def31add773f46c68b8acb683d7c14 |
|---|---|
| Markdown | 61d09be72618627fcb43078cc26126d744639f4786ced6542e4eb9ce22015017 |
| Publication page | 79019b3933dc195192c3baa48c4eb5e4b698b83c2994f7f2dc63ce4aa60cad31 |
| Manifest | 0f408bc292748b63032000e77a211ef945719db4a87f674d49c66283737e8900 |
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 | 0ki/N4HasEKEWoIti8GiD+iJjcTA3bRjLndJGDNZxuUVfFK9XgKPwsRrR36s9Y2Jg9HHQe/lzU2uFKY+wslmBQ== |
| 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
| 2026-09-17T11:36:25.358174Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031572observed 79019b3933dc195192c3baa48c4eb5e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:25.341014Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031572/manifest.jsonobserved 0f408bc292748b63032000e77a211ef9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:25.324182Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031572/publication.mdobserved 61d09be72618627fcb43078cc26126d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:25.306565Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031572/publication.txtobserved 74d28be2237d3a6366ccd39c7dcfa263...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. |
|---|