OT-2026-000004471
Publication integrity record
Vacuum cup gripper, two zone face, two outlet manifold, pump fed, pressure verified, contact triggered
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-2026-000004471) never changes.
Identity and time
| Publication number | OT-2026-000004471 · never reused |
|---|---|
| Internal UUID | 01a0a919-27a4-7e35-8abb-932c3d372e8f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:23:13.191754Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004471 |
| Status | PUBLIC |
Content hashes
| Canonical text | 51d8f492809a2788dfc70beedede79ba5f933e76ab2dbeaff70a01cd8b3b093b |
|---|---|
| Markdown | f198f962b3b8c5294ea26fc2c82b6b398ed758e8cc95203e495be627ed70b1fc |
| Publication page | 4463c473521360d0db3dd4725777944424d57ebc820bf52770d7ba25cf5f2fce |
| Manifest | 36f117615f2cccfc69155ac1a7805c7e3a83139bb24146ef67241cfd8cd5f787 |
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 | e7uJRB6WUBReR5CuPGOztSBzh8jqvPqK3vjgiqcXrPdQLm+nmtvpP5gu0+5U39WduFrA8NDFtx+J16V4Px+bDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:30:23.946317Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004471observed 4463c473521360d0db3dd47257779444...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:23.933190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004471/manifest.jsonobserved 36f117615f2cccfc69155ac1a7805c7e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:23.918081Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004471/publication.mdobserved f198f962b3b8c5294ea26fc2c82b6b39...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:23.906325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004471/publication.txtobserved 51d8f492809a2788dfc70beedede79ba...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. |
|---|