OT-2026-000004130
Publication integrity record
Vacuum cup gripper, four zone face, four outlet manifold, plant vacuum fed, pressure verified
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-2026-000004130) never changes.
Identity and time
| Publication number | OT-2026-000004130 · never reused |
|---|---|
| Internal UUID | 01a0a90f-5357-7055-b632-5dd4af09e550 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:29.018166Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004130 |
| Status | PUBLIC |
Content hashes
| Canonical text | 07bd6ff2cdc33f3c4c1973a4073f1eacd3c22e0137aa20199e50774b64a9091a |
|---|---|
| Markdown | 51542e51c4e6318a31fdd77006c00f29b704b4b36abf322dbc670f3c38d3e5c8 |
| Publication page | 5b0e95f74fb1113d51def55333681e715e7788761740c118efd5bfa97e9569a1 |
| Manifest | 7a6b87d5a1c85a65cac7dd445f162828fa6e7ab0e5a360e1fd658be8e41c4858 |
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 | KTbIFb6uwzPZsaP8d03xPNDdCnCQBdMPfSXhdV6BeNLEdPpE+gv2jsOHo2cOeqvqgLLjb4ZEVgpv3r5oWa4qCg== |
| 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
| 2026-09-16T07:20:33.174577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004130observed 5b0e95f74fb1113d51def55333681e71...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:33.160412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004130/manifest.jsonobserved 7a6b87d5a1c85a65cac7dd445f162828...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:33.146959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004130/publication.mdobserved 51542e51c4e6318a31fdd77006c00f29...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:33.131973Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004130/publication.txtobserved 07bd6ff2cdc33f3c4c1973a4073f1eac...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. |
|---|