OT-2026-000004049
Publication integrity record
Bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, plastic cups
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-2026-000004049) never changes.
Identity and time
| Publication number | OT-2026-000004049 · never reused |
|---|---|
| Internal UUID | 01a0a90d-348e-7f32-abca-2c2416275f3e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:10:10.065069Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004049 |
| Status | PUBLIC |
Content hashes
| Canonical text | a4c8c2c3ded625cd5283a29e2754602e04753261dae14f2c5e46644718951fae |
|---|---|
| Markdown | 8ef33aa026bc00f878e6d51096226d783be8ee003bc050430993e0170fb24f8b |
| Publication page | 011a520a9e960b84902d130fcc91906a3f73f1f7e3a711e0e4feec41a393765a |
| Manifest | 629c6989b0c83e53a6a39ed31c467b884bf0f5e70bd3ff0fa5806d2bbe24bcad |
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 | 55NGwOw0voREVIGKlIyAcRH/HCVxXPjJ+uC0Nu5A0qwddOnTxFozPAmjaMESXZ5wZMgxxEutND4TiSOoQHSYDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:40:33.973712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004049observed 011a520a9e960b84902d130fcc91906a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:33.959954Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004049/manifest.jsonobserved 629c6989b0c83e53a6a39ed31c467b88...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:33.946823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004049/publication.mdobserved 8ef33aa026bc00f878e6d51096226d78...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:33.932718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004049/publication.txtobserved a4c8c2c3ded625cd5283a29e2754602e...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. |
|---|