OT-2026-000090454
Publication integrity record
Four cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000090454) never changes.
Identity and time
| Publication number | OT-2026-000090454 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-7eb6-bd55-32e271bae4eb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090454 |
| Status | PUBLIC |
Content hashes
| Canonical text | e3e94413db6ecc3beba21368278ae0e135f882d68a9e99011424ae227d049202 |
|---|---|
| Markdown | 74ab58e813524bcdb71d0e92bf0854756eccccae28a3a1ea862aa5ac79c9efc6 |
| Publication page | 8e605a5294da9a3665ee138bdf007f19f833f1de57e6226845859afc65dacd2f |
| Manifest | 55cfa551d410f2ac6c3259a3fb90f6b79f71626c203b67e2625aa7a328bc853f |
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 | pKEkDHLUSxJqPBKCLxF7Pfb4xeGymUzOfxuDw4AMtPCbeyebFmSdD9zpPGu0MKchMCDPx204fnmVjhMrMsNFDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:34.676696Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090454observed 8e605a5294da9a3665ee138bdf007f19...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:34.659831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090454/manifest.jsonobserved 55cfa551d410f2ac6c3259a3fb90f6b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:34.640694Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090454/publication.mdobserved 74ab58e813524bcdb71d0e92bf085475...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:34.623432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090454/publication.txtobserved e3e94413db6ecc3beba21368278ae0e1...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. |
|---|