OT-2026-000003942
Publication integrity record
Porous face vacuum gripper, per zone isolation, three outlet manifold, pump fed, pressure verified
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-2026-000003942) never changes.
Identity and time
| Publication number | OT-2026-000003942 · never reused |
|---|---|
| Internal UUID | 01a0a90b-8943-751d-a2a3-02e1d2603d9b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:20.678114Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003942 |
| Status | PUBLIC |
Content hashes
| Canonical text | a7247a4d0bb59a3db248571873ba63b9379dbe363673371b876092278e27e89b |
|---|---|
| Markdown | 32ac1bfd2ab738e94b71e20a8d5ff73f940f1d0211c613e5a6454ccce51340db |
| Publication page | 9807e2feb5f344f21c206bc966ba76588acbc41b5983dddc20131fb22cbc7180 |
| Manifest | e094a44a512fa666857069582b1c506d223c12218436b3d7adcf689df4ee6b8f |
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 | BTQ1dAE0u9CAwAKndMccADdr49pfl6Se1X801iDKjbzlQ1tdqOCuH15glfeFOjgdAzL8+kYg281vYCKqHCkcBg== |
| 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
| 2026-09-16T07:10:10.903806Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003942observed 9807e2feb5f344f21c206bc966ba7658...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:10.888923Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003942/manifest.jsonobserved e094a44a512fa666857069582b1c506d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:10.876073Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003942/publication.mdobserved 32ac1bfd2ab738e94b71e20a8d5ff73f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:10.860986Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003942/publication.txtobserved a7247a4d0bb59a3db248571873ba63b9...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. |
|---|