OT-2026-000021630
Publication integrity record
Foam pad vacuum gripper, two stage ejector, 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-2026-000021630) never changes.
Identity and time
| Publication number | OT-2026-000021630 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-709e-8fe0-c7a8e49e7698 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021630 |
| Status | PUBLIC |
Content hashes
| Canonical text | b400c63c40d36dc1d239c8f742673e9dcb537d6ab322f06b6b93522b8d69b6e2 |
|---|---|
| Markdown | e9ab6f1953396a7af8563bc030d1e930f280c283dd2286be79df2725e58f3389 |
| Publication page | aa702546c716f24637ead5e48917a513d3e971b22711052682d42807a2d542f9 |
| Manifest | 34e3a5cbe131624038ac9829065ef598330313baf21a52f833d4558c2d7c91c1 |
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 | NDZ7MsljIA2qH0YFFIZrm7/T3NNbmvQHl9DvbJkD+ooerwImV5PBwuMjm2tL5FOzEsGcLZX41VKHHtUCyRGUBw== |
| 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
| 2026-09-17T11:54:10.027900Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021630observed aa702546c716f24637ead5e48917a513...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:10.007112Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021630/manifest.jsonobserved 34e3a5cbe131624038ac9829065ef598...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:09.988776Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021630/publication.mdobserved e9ab6f1953396a7af8563bc030d1e930...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:09.972158Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021630/publication.txtobserved b400c63c40d36dc1d239c8f742673e9d...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. |
|---|