OT-2026-000028780
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000028780) never changes.
Identity and time
| Publication number | OT-2026-000028780 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7224-8dab-9e20c44a1514 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028780 |
| Status | PUBLIC |
Content hashes
| Canonical text | 036eef217b3abb55a62947f7e6920b5e4f97c8953e905a0eda53304d7a602678 |
|---|---|
| Markdown | 709aa14d9be5e5eb6adfcc3f4e240c8b247811e12cdbc812063cc6cc683d61ac |
| Publication page | de5cce6bc809f45554299d3895d812bc7a6d6aed8c95dbac3f3dbdac86e96331 |
| Manifest | 8a543a4b3cc572be2296d0efd18612c3e43b4e136caf08276428aef9e89469d8 |
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 | 5UTCSOWhZkRPwPU9sHuK7WJmxp5F7RwiR4cXwCMDkUwBrMtuLIoniCusAbznrFtq9ZRWQ1YypbbadJ9cxmOmDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:40:00.463385Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028780observed de5cce6bc809f45554299d3895d812bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:00.442325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028780/manifest.jsonobserved 8a543a4b3cc572be2296d0efd18612c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:00.420498Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028780/publication.mdobserved 709aa14d9be5e5eb6adfcc3f4e240c8b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:00.401345Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028780/publication.txtobserved 036eef217b3abb55a62947f7e6920b5e...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. |
|---|