OT-2026-000004320
Publication integrity record
Porous face vacuum gripper, four zone face, ejector 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-2026-000004320) never changes.
Identity and time
| Publication number | OT-2026-000004320 · never reused |
|---|---|
| Internal UUID | 01a0a913-e6f2-7f05-9ab5-18f10fd16e36 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:17:28.949031Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004320 |
| Status | PUBLIC |
Content hashes
| Canonical text | d2f6977d1d252a43637c119d8319e4f6c0c232a2970c904fbc241960cbd7ce5d |
|---|---|
| Markdown | bc3747ea532888993a66d8940d389911e6fd9fe2518d58b723606201ae796120 |
| Publication page | 1a8c998bde8cbfc7c874ba625a172b3d09e43ef9513287761b7a0f0a090bcba0 |
| Manifest | 7442408a1f9ef5747dde1ecda5e80b9665ce9a53b4577035d7781feb2772d820 |
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 | 7xEdxx0PWFok9Z6OoNxGJkvfmJRRsqb+qgFyMBrL8WZHC9ICfxfcBNBRHGXe3sk1uTfuNihVzXkTjjZLakFIAQ== |
| 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
| 2026-09-16T07:20:11.376988Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004320observed 1a8c998bde8cbfc7c874ba625a172b3d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:11.237379Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004320/manifest.jsonobserved 7442408a1f9ef5747dde1ecda5e80b96...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:11.222777Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004320/publication.mdobserved bc3747ea532888993a66d8940d389911...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:11.207977Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004320/publication.txtobserved d2f6977d1d252a43637c119d8319e4f6...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. |
|---|