OT-2026-000020163
Publication integrity record
Four bellows cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000020163) never changes.
Identity and time
| Publication number | OT-2026-000020163 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7a62-962d-bf9ed8ad432d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020163 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4be03be734a0f7127db24464d60859b53b74e423f753da374ce16e84e68f217f |
|---|---|
| Markdown | 71aa576520657555a6fb626915e7cdca9a1aafa1212113859b9830ad15aecb42 |
| Publication page | 8c2952c9a74688245d20150126c0fc29a5865f87e9bed64126718d46b82398a7 |
| Manifest | 23194c0ee3e324fed7d978e815e319d0722c6841aa8810d27770a44588a8aa1d |
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 | piXxEWQsPuH2rM65D7J1ZhA5T3jBmvdLESZ6DyswlmHpDmGseBZT+WFX8/cUvDXecdp3NwyMRqzyr0/tfgkAAg== |
| 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
| 2026-09-17T08:41:17.988101Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020163observed 8c2952c9a74688245d20150126c0fc29...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:41:17.736428Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020163/manifest.jsonobserved 23194c0ee3e324fed7d978e815e319d0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:41:17.485990Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020163/publication.mdobserved 71aa576520657555a6fb626915e7cdca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:41:17.005542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020163/publication.txtobserved 4be03be734a0f7127db24464d60859b5...fetched by grabo-systems from 34.44.131.203, 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. |
|---|