OT-2026-000004183
Publication integrity record
Porous face vacuum gripper, two zone face, two outlet manifold, plant vacuum fed
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-2026-000004183) never changes.
Identity and time
| Publication number | OT-2026-000004183 · never reused |
|---|---|
| Internal UUID | 01a0a911-0b1a-79ca-beba-5a0f169a93fa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:21.597728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004183 |
| Status | PUBLIC |
Content hashes
| Canonical text | 413b4a474b7ba3acd8d344f6df60b5901893773e9fd888144c37368b6f5c4873 |
|---|---|
| Markdown | 1437463f2fe0d8329ab2f64529d9b55c459afa6afef8bca43d972f9df5e72479 |
| Publication page | 28ca5fcfbc87ad4369e298bb0ec9f60b6cb80ff42756c541b2ddc41843ce3a57 |
| Manifest | e9768e6821b0febea1704eced6ab7a308b8e2253c96edf34a8d87adb94d87cf1 |
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 | US5fNaBPuljgz0d6kfWABAr5yHNYiH/hsZEOlWtvu6OehgYpsBa8g+Uulf5g7qOQWAwqJ5C1uHLObn/J+J0ZAQ== |
| 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
| 2026-09-16T07:20:26.876622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004183observed 28ca5fcfbc87ad4369e298bb0ec9f60b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:26.749296Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004183/manifest.jsonobserved e9768e6821b0febea1704eced6ab7a30...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:26.735359Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004183/publication.mdobserved 1437463f2fe0d8329ab2f64529d9b55c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:26.721596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004183/publication.txtobserved 413b4a474b7ba3acd8d344f6df60b590...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. |
|---|