OT-2026-000013891
Publication integrity record
Four 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-2026-000013891) never changes.
Identity and time
| Publication number | OT-2026-000013891 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8dea-707d-b5f1-02a56a8d127f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013891 |
| Status | PUBLIC |
Content hashes
| Canonical text | 28d235669e638d40f3babfc53c2d290a1d193f10e4bba26ee94baeb609fff456 |
|---|---|
| Markdown | b6dfa15bbb89507b9f30b50f9644ac127248d7d24fe775663650bd1d4c7540ef |
| Publication page | e9ddd6b3a89db6070559be275021477b8fbf5e1bdfae5ecb56301b2efcd7ceb5 |
| Manifest | a59f77fc4b39a186efabdb5e528d67241e71b8dfa3d370341bc1e1802ceb46a8 |
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 | xPIUP7HQDP804WE2B4r+5+B1geDraIYZnKd42gA/3ehGL9Fqs+oJ5j4DMjqvg/dImDciuEcJXNRY7YAFS4xZDg== |
| 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
| 2026-09-17T12:09:00.864664Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013891observed e9ddd6b3a89db6070559be275021477b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:00.846148Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013891/manifest.jsonobserved a59f77fc4b39a186efabdb5e528d6724...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:00.825442Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013891/publication.mdobserved b6dfa15bbb89507b9f30b50f9644ac12...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:00.806974Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013891/publication.txtobserved 28d235669e638d40f3babfc53c2d290a...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. |
|---|