OT-2026-000029844
Publication integrity record
Single bellows cup vacuum gripper, pump fed, 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-2026-000029844) never changes.
Identity and time
| Publication number | OT-2026-000029844 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac47-7dcb-8660-ffc37254f2d3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029844 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3641948a41b6b8be6c91a601bcef6abcc59298c7913f649bb61b06dfc5d7a519 |
|---|---|
| Markdown | 51feb3122995cfd396557e109518dc030c1470348c99f72a3eccd6759097b78e |
| Publication page | e04b39198b2e3697c3adc3956895734339c4707f94f0afa7fcf9f9079d18c25e |
| Manifest | 0ee9f20f4a22e771510c2023d261f7fda6ead8d49f99b8abdac3af0111158a5e |
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 | SmbR9Tdi6PACsN6Y/njBXgr9870jxYw8UlwMTEJ1Bp89AQkn9bfxylTbXzVKfMiRTpHvFRiSaf+789BqLHniDg== |
| 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
| 2026-09-17T11:38:32.251483Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029844observed e04b39198b2e3697c3adc39568957343...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:32.230869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029844/manifest.jsonobserved 0ee9f20f4a22e771510c2023d261f7fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:32.212525Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029844/publication.mdobserved 51feb3122995cfd396557e109518dc03...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:32.193761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029844/publication.txtobserved 3641948a41b6b8be6c91a601bcef6abc...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. |
|---|