OT-2026-000032993
Publication integrity record
Single cup vacuum gripper, single stage ejector, 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-2026-000032993) never changes.
Identity and time
| Publication number | OT-2026-000032993 · never reused |
|---|---|
| Internal UUID | 01a0ae75-4843-75af-b6ed-5c83d15a182c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:57.065765Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000032993 |
| Status | PUBLIC |
Content hashes
| Canonical text | 933e785443c759bc3bf8ce002f8be985a938bbb174022ca4be1697541644218e |
|---|---|
| Markdown | 82a77e5f1796e300ec89b1b5375579622d60abefa8b91c3bd50ef3d754e2b755 |
| Publication page | bbfec4eefe6714ff5aba1e51f7ae847c86ecaee9068225865a98b931b75805f5 |
| Manifest | b5e7a715b785f2ebfc70f5d00e4d9e60b468dea7e562f5f64ca66d0f081077bf |
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 | 4OeC8Tmq3TJbVt/6hKT+pErZv8Jz1l6twvHAmdVkBw1kEOD2LIsQNn2Oe6ljmqN6bWJlxjru7DoKaiIDBoBoBA== |
| 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
| 2026-09-18T04:41:27.996893Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032993observed bbfec4eefe6714ff5aba1e51f7ae847c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-18T04:41:27.211662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032993/manifest.jsonobserved b5e7a715b785f2ebfc70f5d00e4d9e60...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T04:41:26.605213Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032993/publication.mdobserved 82a77e5f1796e300ec89b1b537557962...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T04:41:26.350177Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032993/publication.txtobserved 933e785443c759bc3bf8ce002f8be985...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:32:36.559740Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032993observed bbfec4eefe6714ff5aba1e51f7ae847c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:32:36.541260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032993/manifest.jsonobserved b5e7a715b785f2ebfc70f5d00e4d9e60...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:32:36.520982Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032993/publication.mdobserved 82a77e5f1796e300ec89b1b537557962...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:32:36.502773Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032993/publication.txtobserved 933e785443c759bc3bf8ce002f8be985...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|