OT-2026-000004494
Publication integrity record
Porous face vacuum gripper, four zone face, four 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-2026-000004494) never changes.
Identity and time
| Publication number | OT-2026-000004494 · never reused |
|---|---|
| Internal UUID | 01a0a919-de1c-7994-9e61-5354c4b05f7f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:23:59.902525Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004494 |
| Status | PUBLIC |
Content hashes
| Canonical text | d5abdd4e01431693c23671875f519bc27f6d03bdd6ed8ac3610ac91a925aaa4a |
|---|---|
| Markdown | 7ed08384443600ddde429f08e87a2c625d4bf7ccb957e51b641979d81567a2b8 |
| Publication page | c5791634504f599cde328d95238c85f9d860cba186576d3b6da331f8ba604276 |
| Manifest | ed4aec78802bcbf78b040f067b6f87bc522910162c0cd98121f5bf936d60c8d7 |
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 | RcRA4/VJsYQVez6/IEVKojiNkDzjrH4KYAStPKIRnJ2zCy1WyturKixPxK9nv5YyT5nOD7ja1SG0WfIzsklSCQ== |
| 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
| 2026-09-16T07:30:21.634412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004494observed c5791634504f599cde328d95238c85f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:21.621241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004494/manifest.jsonobserved ed4aec78802bcbf78b040f067b6f87bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:21.493560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004494/publication.mdobserved 7ed08384443600ddde429f08e87a2c62...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:21.480229Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004494/publication.txtobserved d5abdd4e01431693c23671875f519bc2...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. |
|---|