OT-2026-000007301
Publication integrity record
Porous face vacuum gripper, four zone face, per zone isolation, ejector fed, open cell
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-2026-000007301) never changes.
Identity and time
| Publication number | OT-2026-000007301 · never reused |
|---|---|
| Internal UUID | 01a0a979-e16a-71f1-8c4f-f49a7a334f5d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:08:52.205762Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007301 |
| Status | PUBLIC |
Content hashes
| Canonical text | ef4bbe96d773d06876ec7da0dde164663f9a4137cc26753514583a955ebb8466 |
|---|---|
| Markdown | 4e1ab20edbd51b0e70ce815fae97d30cd3d9bf5458b112894326b325e097fb4f |
| Publication page | 33898e63cd7c5df7aa2990f3391c46e3cf27d89aeb9c9f0f522e8bc1fae83b98 |
| Manifest | 0fa4cfaea9c03d440a18431778522dd62505169454b5fa2f11762d3dced117c2 |
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 | YxbcMsj/ua92InJh1Z7s22AOak/rQVCoVvoPUrlkDGM/JE8lMMEp+KauAhF8G6FgHP8WH8cWEDqL5uyNQjHMDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:20:33Z batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof root 07bfbe2fb3517c1c41f239fb2e682fbe... |
|---|
Independent retrieval
| 2026-09-16T09:10:06.182958Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007301observed 33898e63cd7c5df7aa2990f3391c46e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:10:06.170192Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007301/manifest.jsonobserved 0fa4cfaea9c03d440a18431778522dd6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:06.157739Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007301/publication.mdobserved 4e1ab20edbd51b0e70ce815fae97d30c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:06.145393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007301/publication.txtobserved ef4bbe96d773d06876ec7da0dde16466...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. |
|---|