OT-2026-000004136
Publication integrity record
Porous face vacuum gripper, ejector fed, contact triggered on the face, 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-2026-000004136) never changes.
Identity and time
| Publication number | OT-2026-000004136 · never reused |
|---|---|
| Internal UUID | 01a0a90f-6589-728b-959c-b6e959825860 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:33.675695Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004136 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7ea9374d3a750888b80e7e5a267051367da60a3d07f1d5f4c03ced7b8859e042 |
|---|---|
| Markdown | 78fe7a014bde576b85e20e4c9e861a7068616651b3a831e19cf52aa6d7699533 |
| Publication page | 5d09210a5c7ae3825f93d57ba421e04f654049c8163910f9368c1d04f545a745 |
| Manifest | 14c6426a25d673b3bccb03256674be6696db6ecf3029de7347ae7e0c29c2026d |
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 | +JNC0P1zQecGq4iOplLQKDpwFIR9ZPWrmNpjQMjEphAstH4sfRMY2VzgQeo3kl5F7TzGRmAuh/zwSaxMagFiDA== |
| 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
| 2026-09-16T07:20:32.467456Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004136observed 5d09210a5c7ae3825f93d57ba421e04f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:32.453663Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004136/manifest.jsonobserved 14c6426a25d673b3bccb03256674be66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:32.438303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004136/publication.mdobserved 78fe7a014bde576b85e20e4c9e861a70...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:32.424597Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004136/publication.txtobserved 7ea9374d3a750888b80e7e5a26705136...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. |
|---|