OT-2026-000028891
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pulsed blow-off before set-down
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-2026-000028891) never changes.
Identity and time
| Publication number | OT-2026-000028891 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-75cb-a4c5-fbfdaf9718bc · 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-2026-000028891 |
| Status | PUBLIC |
Content hashes
| Canonical text | e3fcd1e691fa821f4d900447f5ce29a6bf1b49beec9fd9e3eb67971f28225376 |
|---|---|
| Markdown | 15beaf305db332489918503ea0712cf58099bf8c2ee1e51c550d83a5d45f1e72 |
| Publication page | a0c7f64cb6d6e94db9f510f9095ee48f37956a3e697af2567e3ea74ece7a598e |
| Manifest | 743292f08bce62c0c417f43f8eb4568c58677e5c84c5da9b76ecc1c27e5fc9ae |
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 | GoOKxBVaLIWmbov3vNUNcwQi1OmUuRpKN/uhqsKQiX8CnKemoseZKYS8phIrb2nSDbzI9NmHzqwFPL49kqrFDA== |
| 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
| 2026-09-17T08:20:10.488650Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028891observed a0c7f64cb6d6e94db9f510f9095ee48f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:10.469984Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028891/manifest.jsonobserved 743292f08bce62c0c417f43f8eb4568c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:10.450850Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028891/publication.mdobserved 15beaf305db332489918503ea0712cf5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:10.431671Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028891/publication.txtobserved e3fcd1e691fa821f4d900447f5ce29a6...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. |
|---|