OT-2026-000090478
Publication integrity record
Four cup vacuum gripper, four zone face, pump 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-2026-000090478) never changes.
Identity and time
| Publication number | OT-2026-000090478 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-788d-a0cc-92bde585845b · 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-2026-000090478 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3c80823e7103a8500aee6c5065ab1bf8bd7b7102cb16ff389f5d7dbc69481250 |
|---|---|
| Markdown | da3c90859436f42bc36f1014d8854cf9ea7333a5d408ab69aba00e13f209651c |
| Publication page | 9820ed40f4eb25cd19421e12961f5149d725e819c57d5706c213d265f55ddd8c |
| Manifest | 361fcfa1d0ce884b144d2c3acb37d648b5bef2641b6ac887c721ad4c6483f745 |
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 | 3W0ll9wf+wtWNQpei9xSfiG3Ku/JeNjB/OrhrFIcWCt7c9Ph3GRp0r4V9fr1m0aZEAByXH5nHXI9p5lr4zxLBw== |
| 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
| 2026-09-17T09:44:36.398006Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090478observed 9820ed40f4eb25cd19421e12961f5149...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:36.382725Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090478/manifest.jsonobserved 361fcfa1d0ce884b144d2c3acb37d648...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:36.366457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090478/publication.mdobserved da3c90859436f42bc36f1014d8854cf9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:36.350587Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090478/publication.txtobserved 3c80823e7103a8500aee6c5065ab1bf8...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. |
|---|