OT-2026-000004198
Publication integrity record
Vacuum cup gripper, three zone face, per zone isolation, three stage ejector
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-2026-000004198) never changes.
Identity and time
| Publication number | OT-2026-000004198 · never reused |
|---|---|
| Internal UUID | 01a0a911-46b2-760a-9062-a397128251cd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:36.852928Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004198 |
| Status | PUBLIC |
Content hashes
| Canonical text | a198a70cc6f21fd926b0600c3a29b10c6613e040ec8c91af03939bcdb81ad769 |
|---|---|
| Markdown | 7a0bc2dd30fa835c3213a3d92dcee9ee85a5da672be1e8895cd9852e849ccbfa |
| Publication page | fc675c1f2c724ee411e4fca16e581d63bcf19d2afbe96b5a5674e696699eecf3 |
| Manifest | ac1b1ed6e8e5018561cf576932a63edbecdf1d863a1dd1b5eb8f18ad10e25649 |
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 | BXP70zWuqefcmbnhBywj4aAxfXNtjgLKL4hpf40Dcdy+0crCRHU1iolRROWCo2bRQwx4h4yrswwHrlIlraWzAg== |
| 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
| 2026-09-16T07:20:24.987664Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004198observed fc675c1f2c724ee411e4fca16e581d63...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:24.973569Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004198/manifest.jsonobserved ac1b1ed6e8e5018561cf576932a63edb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:24.959909Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004198/publication.mdobserved 7a0bc2dd30fa835c3213a3d92dcee9ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:24.944621Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004198/publication.txtobserved a198a70cc6f21fd926b0600c3a29b10c...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. |
|---|