OT-2026-000028889
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000028889) never changes.
Identity and time
| Publication number | OT-2026-000028889 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7d54-8d39-ee14e8f6594d · 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-2026-000028889 |
| Status | PUBLIC |
Content hashes
| Canonical text | 10e2d1ac2184c2607068de361618586e7bb1c3463a37d885db84b8f8fb5eb702 |
|---|---|
| Markdown | 454f5e87bfbb8e3ac9591b79e5f38594b6f1df931ee73fc5db3d46c87fa0d90d |
| Publication page | 12c99918cf05dcc9f735f9d29ed4e75b00f954dba1be7eb4ee17de5ff81c1296 |
| Manifest | b324f0248b11496a01cff215c727d7bf72cc5add0077251a9efdfcbadf498461 |
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 | /h9PtVnSla+Q2Fr11u6gFdfl06iHA4M85t2aXtAQCPAuHMWcANbSO1Iga1uQ0oNBK3JpcKj56tCW9XS9G+coBA== |
| 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
| 2026-09-17T08:20:15.680135Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028889observed 12c99918cf05dcc9f735f9d29ed4e75b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:15.537991Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028889/manifest.jsonobserved b324f0248b11496a01cff215c727d7bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:15.521749Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028889/publication.mdobserved 454f5e87bfbb8e3ac9591b79e5f38594...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:15.504333Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028889/publication.txtobserved 10e2d1ac2184c2607068de361618586e...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. |
|---|