OT-2026-000042212
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000042212) never changes.
Identity and time
| Publication number | OT-2026-000042212 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d72-7bbd-a903-c9b23f99b1d1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042212 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8430bb3ef498a59f911e365bba379237c5931b188ad0bb68ae1d9bff2391b5fd |
|---|---|
| Markdown | b0f808ad7819511991bcc8d15678d5a3032ae0185e957ab3084112271e557404 |
| Publication page | ace2b50316c928eb481a4f97fa3d27c8f04e679e1b6fe488d3f26caca15e9712 |
| Manifest | 322b3c274d489c5f5ab4948f4496bc47009d175efeea4ac2b0e6e3597cb1ae57 |
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 | VNrpxMn9T7hPBYo06018Ky9A2ob5JLLSSB7I/Jlv7/YOQSr1qF2M8jiS3yykxN5XiWiz88b4rWZnPgmADuwTDQ== |
| 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
| 2026-09-17T11:15:52.951619Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042212observed ace2b50316c928eb481a4f97fa3d27c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:52.932548Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042212/manifest.jsonobserved 322b3c274d489c5f5ab4948f4496bc47...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:52.912816Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042212/publication.mdobserved b0f808ad7819511991bcc8d15678d5a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:52.893730Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042212/publication.txtobserved 8430bb3ef498a59f911e365bba379237...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. |
|---|