OT-2026-000004113
Publication integrity record
Vacuum cup gripper, six outlet manifold, pump fed, pressure verified, vented after set down
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-2026-000004113) never changes.
Identity and time
| Publication number | OT-2026-000004113 · never reused |
|---|---|
| Internal UUID | 01a0a90f-1e0a-7929-9d90-645987dc540a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:15.373854Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004113 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2cbf2016aab4d11a715ef15b5dae47ce1df7c2add7dc112636fa1203d3697af0 |
|---|---|
| Markdown | 7b0bcd9e561282f912b04387e36a50ad8918da6b2839e8f487dc13df16181139 |
| Publication page | 093de154bc8b9ae2e2a0c83f691ef606a8355c7b2dcef16861c4084f8f1eccb4 |
| Manifest | b579fdc54eb3e226f395809785b3a4598ecaedf9f5362ac258b290d006ea8773 |
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 | viZFjfSFczUSeu8i/BkSrqMVU7j+r4655hmGkyF70u6A98KD+d0CXPutwCG9Uid/PoM4XP8XoUgCdmxOYvCHDA== |
| 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
| 2026-09-16T07:20:35.120337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004113observed 093de154bc8b9ae2e2a0c83f691ef606...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:34.982730Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004113/manifest.jsonobserved b579fdc54eb3e226f395809785b3a459...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:34.970077Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004113/publication.mdobserved 7b0bcd9e561282f912b04387e36a50ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:34.955862Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004113/publication.txtobserved 2cbf2016aab4d11a715ef15b5dae47ce...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. |
|---|