OT-2026-000023949
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum 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-2026-000023949) never changes.
Identity and time
| Publication number | OT-2026-000023949 · never reused |
|---|---|
| Internal UUID | 01a0ae70-aed6-7287-8dbf-e6a0bf5f5b96 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:55.528856Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000023949 |
| Status | PUBLIC |
Content hashes
| Canonical text | cf5ddbeacbb32f720732d2efeea9521ea8c75223172cf7410a734e6a7c2731e0 |
|---|---|
| Markdown | 4bd9ebd69f62ab5dcfa148f90ea96e97c6b770819e7d5d646e68c857388d81d8 |
| Publication page | fe4e343d34a6f375cedb848912e177a7d52b2666dee986a8edf7c2d4012c71d9 |
| Manifest | faacca151af4059204de2f1acf71c9609c1571276a257f19f86e716e7cfdedf3 |
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 | JtbrKrOJhumGoM8EClDkAfeTtM9FQ2ldqXmZ65mZoN6/1cxfVdCpfBQrl9RJVaohY8Qd7TZVCfmJGTMkCU3zAA== |
| 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
| 2026-09-17T11:50:41.489997Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023949observed fe4e343d34a6f375cedb848912e177a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:50:41.449859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023949/manifest.jsonobserved faacca151af4059204de2f1acf71c960...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:50:41.419638Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023949/publication.mdobserved 4bd9ebd69f62ab5dcfa148f90ea96e97...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:50:41.382962Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023949/publication.txtobserved cf5ddbeacbb32f720732d2efeea9521e...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. |
|---|