OT-2026-000090401
Publication integrity record
Three bellows cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer
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-2026-000090401) never changes.
Identity and time
| Publication number | OT-2026-000090401 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2d-7ec1-9363-aa5ca5df2675 · 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-2026-000090401 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2070fdab8108c1dd79b93141a21c209eda33313a72016bf5238ad3cf69288d1d |
|---|---|
| Markdown | 1413605f51ae03d80cb82b39e07aee01d33f58bf5ecf75dbc08af485838e78be |
| Publication page | 8e6a2a465790210648dd861ef00cba3049a9a5ee75db124c69bcaabefb35cff1 |
| Manifest | 9f612150c8fda431fc440273e3236ed1cd3a0712571c393b2c8a2f8935eb0dfb |
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 | h5fP+8+1fe3jpcJw/O3q67X3UtsBdOdKQseR31hWc1CXsezMQH2JaS7SReWnAycX7TmYXvxqSdGQuNQhwBR0Dw== |
| 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
| 2026-09-17T09:44:30.803518Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090401observed 8e6a2a465790210648dd861ef00cba30...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:30.785012Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090401/manifest.jsonobserved 9f612150c8fda431fc440273e3236ed1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:30.767411Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090401/publication.mdobserved 1413605f51ae03d80cb82b39e07aee01...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:30.748977Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090401/publication.txtobserved 2070fdab8108c1dd79b93141a21c209e...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. |
|---|