OT-2026-000021431
Publication integrity record
Four bellows 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-2026-000021431) never changes.
Identity and time
| Publication number | OT-2026-000021431 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-72bf-a6e2-4d911b625f68 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021431 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8b348296cf7d4ad3e04e2675655de573d1789f95ba307416f576849d7919d784 |
|---|---|
| Markdown | 9017eedce2b70ee1b327a817133fe9e6d2dcfd596d2494638bda8dd91ba8d8cc |
| Publication page | 7a17082b4319a945f3333011498f1cc7db15935797487baf1c831b011194a47d |
| Manifest | 2557fd6239e77f8d18df026b97b42471c9ed870342f94f5dc22258a366ccdb63 |
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 | Ka90l13B8t0xVTHqEDyUj3wcwuxIPM7mzO742y8CLPJUKyEZl8wDYyWUICRrgLQ4DssOqb6FcwAnXhaXsJh7BQ== |
| 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
| 2026-09-17T11:54:49.795884Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021431observed 7a17082b4319a945f3333011498f1cc7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:49.777773Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021431/manifest.jsonobserved 2557fd6239e77f8d18df026b97b42471...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:49.758135Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021431/publication.mdobserved 9017eedce2b70ee1b327a817133fe9e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:49.740131Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021431/publication.txtobserved 8b348296cf7d4ad3e04e2675655de573...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. |
|---|