OT-2026-000028991
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pulsed 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-2026-000028991) never changes.
Identity and time
| Publication number | OT-2026-000028991 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-7e34-88f4-1e588a70ec9c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028991 |
| Status | PUBLIC |
Content hashes
| Canonical text | b384900ef66d725f8eb079a8f075cd244a4ccd393597554c3a14f6f33dd0386d |
|---|---|
| Markdown | 51780efe5cf8954fa95b1b9adf1bba776f356bd5045c8c8b3be467ae5fca7348 |
| Publication page | 724d59f2e4127b19e0337b3915d807633930caaad7d39b7c69b42dc415688744 |
| Manifest | 0ff9835200d322af690a7f1d65e8fa335fe8dce7614d9abfe6bfc09e3292c292 |
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 | Xjhwo3tRnemQpyIelY6PH95DBq4ElbYeONXapgEIy1xXlizSiRBZwNdnEwQEB//ImpCiKO6CLHmavnG69S/6AA== |
| 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
| 2026-09-17T08:20:31.970967Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028991observed 724d59f2e4127b19e0337b3915d80763...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:31.951539Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028991/manifest.jsonobserved 0ff9835200d322af690a7f1d65e8fa33...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:31.930407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028991/publication.mdobserved 51780efe5cf8954fa95b1b9adf1bba77...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:31.787940Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028991/publication.txtobserved b384900ef66d725f8eb079a8f075cd24...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. |
|---|