OT-2026-000071476
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, vented 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-2026-000071476) never changes.
Identity and time
| Publication number | OT-2026-000071476 · never reused |
|---|---|
| Internal UUID | 01a0ae91-e0ed-708a-bd8c-79f8992c56ff · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:11.039722Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071476 |
| Status | PUBLIC |
Content hashes
| Canonical text | 46df498c1182ad03d176778df282263fcee8d630c12da5c4707248341867788b |
|---|---|
| Markdown | ffa1d7cef83a1fbcc65890aecf6544c4ee0ab8f664fac1c89ba2147fb703b327 |
| Publication page | 40bbbf472afc06d3e750553e27b7d95f6d4975bb3a9490969d556fe6608dae0d |
| Manifest | da89e37fccd7c86633e73ca0aeeca6188cc184f61b5d5cfd530ed13eb0423c1c |
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 | 1mGqGD9/Cr75guZmAmEVBlhJx4Jz0WJxK9yWo9Gt//g26XLLWnYTw+aa6Wq09WeJ3lqeAdLmwzSVUG0B4DlUAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:25:07.070834Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071476observed 40bbbf472afc06d3e750553e27b7d95f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:25:07.053179Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071476/manifest.jsonobserved da89e37fccd7c86633e73ca0aeeca618...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:25:07.036542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071476/publication.mdobserved ffa1d7cef83a1fbcc65890aecf6544c4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:25:07.016624Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071476/publication.txtobserved 46df498c1182ad03d176778df282263f...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. |
|---|