OT-2026-000090831
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000090831) never changes.
Identity and time
| Publication number | OT-2026-000090831 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c010-7a3f-bc77-11168dae0eb9 · 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-2026-000090831 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6c98defdfcb3c8e2d3012eec6de417817c66116822d242310185d1e4277b0459 |
|---|---|
| Markdown | b8066b637002e619b68f153c1d8282531e2967ae36e547a9716fae39aea4d2dd |
| Publication page | 840e143890bacaa181db328a9f571443c29797afdacf0a58d49efc54b505c617 |
| Manifest | 3f4c7b383b3ed5706bc718b82e0684d8dbdd4f79b8b66092ee76e89cf26a62cc |
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 | FqOtaePqZoW23AQtDDUz+J9GSucIbJmCL9lh6/QlH4eWuxMDM4J7IsvxsRg9M5TIy0zmf5XEONFoq6M/BWIFCg== |
| 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
| 2026-09-17T09:43:52.551197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090831observed 840e143890bacaa181db328a9f571443...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:43:52.534660Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090831/manifest.jsonobserved 3f4c7b383b3ed5706bc718b82e0684d8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:52.517525Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090831/publication.mdobserved b8066b637002e619b68f153c1d828253...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:52.500357Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090831/publication.txtobserved 6c98defdfcb3c8e2d3012eec6de41781...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. |
|---|