OT-2026-000028839
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000028839) never changes.
Identity and time
| Publication number | OT-2026-000028839 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9c-721f-a9a0-dd6187c34691 · 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-2026-000028839 |
| Status | PUBLIC |
Content hashes
| Canonical text | fc6e6a547b6a90c2e92b74b71405945c0f0ace3c4e1c7d7b7b046620f6b1e341 |
|---|---|
| Markdown | 860933375fc27b7f91ca32362f63b3bf2092f86ff611e8e47af060bf70a4f2d4 |
| Publication page | bddbd67990486e829a626e6b72c979cefa0df059a3aff30bf4947d54a781a88b |
| Manifest | 34dadc45ee95c6002f80f758bd227dee0f7f1a5e866ea2493de0f9599f6b5679 |
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 | x5ewG7HE1u1G8xiFjX+dcthzqBBvVdJ0SYNdOkWUPipZ0WG2f8/kgVF4UWyzhG0GwrTN+Dggr5VURm6yn8TQDg== |
| 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
| 2026-09-17T08:20:07.298400Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028839observed bddbd67990486e829a626e6b72c979ce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:07.279620Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028839/manifest.jsonobserved 34dadc45ee95c6002f80f758bd227dee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:07.243777Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028839/publication.mdobserved 860933375fc27b7f91ca32362f63b3bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:07.218218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028839/publication.txtobserved fc6e6a547b6a90c2e92b74b71405945c...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. |
|---|