OT-2026-000004139
Publication integrity record
Vacuum cup gripper, two zone face, two outlet manifold, plant vacuum 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-2026-000004139) never changes.
Identity and time
| Publication number | OT-2026-000004139 · never reused |
|---|---|
| Internal UUID | 01a0a90f-6ce2-7c7a-a897-3ee2d3721aa6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:35.556686Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004139 |
| Status | PUBLIC |
Content hashes
| Canonical text | b42e31dcca6f636767681c08fc20db2b07ff66a1c721eedf2c2578d7d6749cf1 |
|---|---|
| Markdown | 4b625eb2ef15c9c064ad6e13b0deb88727b10c6fc28d3a9cf1907896d5095011 |
| Publication page | 8360a074520ae8c1541ffbf35602d263a4e9ca34ce5d3006fc66d600e725c341 |
| Manifest | 1e1beb6dd7fc5a27319e4f49a68af6ec7c7f61190bead88b5ba45a1b7f16567b |
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 | GUuMDTETvUVliJoSccTc64xlbAGuBAb+Os7YCrLOQzVhUVVOKETd5g1dfZe+j1Kw9FZ1cHXnNihMpBTK3DAlAA== |
| 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
| 2026-09-16T07:20:31.953807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004139observed 8360a074520ae8c1541ffbf35602d263...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:31.941311Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004139/manifest.jsonobserved 1e1beb6dd7fc5a27319e4f49a68af6ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:31.928475Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004139/publication.mdobserved 4b625eb2ef15c9c064ad6e13b0deb887...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:31.916225Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004139/publication.txtobserved b42e31dcca6f636767681c08fc20db2b...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. |
|---|