OT-2026-000043640
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000043640) never changes.
Identity and time
| Publication number | OT-2026-000043640 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-92d0-7f5b-9bd5-81c435613ef0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:49.254972Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000043640 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4bbdc0750031f62f2e49f13dd5ab95d615ead80279235d135b84fe6e7ead6353 |
|---|---|
| Markdown | 83046383d8a51c1b95aae79ee7c2ac1421047daa99c0969b37784de530029693 |
| Publication page | 0110b2a4794168ec1f103684ba44bd6b7729f535a153869a3ca3738547e35669 |
| Manifest | 49e2bc3df1f72317f80147f669e2d7a5e42ae849f4c35c02f66834cff8ea70f8 |
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 | rERMC1d8BxxIhU8rJC5VhuPIieScsrZvSsUXOr22HeBsHUxzuTAD1Lj4DeNyrXBZAZbhknTvRejwKfoSuN4VBA== |
| 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
| 2026-09-17T11:13:06.995419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043640observed 0110b2a4794168ec1f103684ba44bd6b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:13:06.975377Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043640/manifest.jsonobserved 49e2bc3df1f72317f80147f669e2d7a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:06.957679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043640/publication.mdobserved 83046383d8a51c1b95aae79ee7c2ac14...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:06.937314Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043640/publication.txtobserved 4bbdc0750031f62f2e49f13dd5ab95d6...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. |
|---|