OT-2026-000004328
Publication integrity record
Vacuum cup gripper, two zone face, plant vacuum fed, contact triggered on the face
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-2026-000004328) never changes.
Identity and time
| Publication number | OT-2026-000004328 · never reused |
|---|---|
| Internal UUID | 01a0a914-278f-7ceb-860f-e1dbd9c9a91e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:17:45.490446Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004328 |
| Status | PUBLIC |
Content hashes
| Canonical text | ce1cdc49ab360ca4604f264e69f3e77f4542608c69e3ef67a62a2b5568257b1a |
|---|---|
| Markdown | 6c3f26c124d9b15a4f3c307310a6bdececf1c6f3d23ec77728adc93ce65e99a7 |
| Publication page | 374525e519a1ad36901cd6af318752b51b1ac3e192cafb4dad2431c20952ddaa |
| Manifest | fda8a2791fb3489266ef29f8a04e8f05dcdce9d7669ca85f982ca796a322891e |
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 | wbj9a+huyZoBAg48iP+xUQacsS5+Lbds7mK/JEhmiaAVPdIlqxon701gSu8dTbzdAy0LmHhk3NN4COyNlRUxBA== |
| 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
| 2026-09-16T07:20:10.391155Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004328observed 374525e519a1ad36901cd6af318752b5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:10.376958Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004328/manifest.jsonobserved fda8a2791fb3489266ef29f8a04e8f05...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:10.240629Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004328/publication.mdobserved 6c3f26c124d9b15a4f3c307310a6bdec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:10.227409Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004328/publication.txtobserved ce1cdc49ab360ca4604f264e69f3e77f...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. |
|---|