OT-2026-000090817
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000090817) never changes.
Identity and time
| Publication number | OT-2026-000090817 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c010-7703-9488-944d7d83b289 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090817 |
| Status | PUBLIC |
Content hashes
| Canonical text | 838e919fe1915a728308eda341f22a018ecbdaca12b59320df3d881e01857a9c |
|---|---|
| Markdown | cdf074f49ff4223d5e612f5fbfdfc35d0162874b806e433727c544dc98d52dfc |
| Publication page | fe611bdd4a7c6fa93ba6e3d7057883e386dddc56b400c599df466bdbd74c56a7 |
| Manifest | 27b80761c398a2219e7a6d5dcdb96a7e008169d63a8d78782c10a33c082e078e |
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 | ztBKL6WaGValkOXoD+FEDS6UGV1cAC2WrjUAa0myxQq6KNdK2viZtQYzYIuRwKiIbOQPzYOGo8c5Fc/AAaJ8CQ== |
| 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
| 2026-09-17T09:44:00.544787Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090817observed fe611bdd4a7c6fa93ba6e3d7057883e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:00.525996Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090817/manifest.jsonobserved 27b80761c398a2219e7a6d5dcdb96a7e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:00.508220Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090817/publication.mdobserved cdf074f49ff4223d5e612f5fbfdfc35d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:00.489423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090817/publication.txtobserved 838e919fe1915a728308eda341f22a01...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. |
|---|