OT-2026-000004225
Publication integrity record
Vacuum cup gripper, two zone face, common isolation valve, 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-2026-000004225) never changes.
Identity and time
| Publication number | OT-2026-000004225 · never reused |
|---|---|
| Internal UUID | 01a0a911-c3de-7a8a-a127-645bba3b53ad · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:15:08.900633Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004225 |
| Status | PUBLIC |
Content hashes
| Canonical text | 46e2785a6a3aa5626c1e0b109a45a542697f1b812031e92d56b302ad0b31fee1 |
|---|---|
| Markdown | 64f7d406ff9833040ce9c1be3dab0e2413075110f17289b50091897a74509b92 |
| Publication page | 77203838829a68f673e404ff9295a8d3f297d258aba1aa85aa49d44ea60f2b66 |
| Manifest | d49ecf7f86961db4c20847881e968bb59a7007610446333c740487202fcfc04d |
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 | T+KNg4LltBkb4Mbo1vAE7udQSoLjHmagaA1v8cLM42Hu93BvbiGUTpbcdANIHuxJSa3O+Q/3XLM9TbXPmrcnCQ== |
| 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
| 2026-09-16T07:20:21.966615Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004225observed 77203838829a68f673e404ff9295a8d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:21.953403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004225/manifest.jsonobserved d49ecf7f86961db4c20847881e968bb5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:21.939196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004225/publication.mdobserved 64f7d406ff9833040ce9c1be3dab0e24...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:21.924088Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004225/publication.txtobserved 46e2785a6a3aa5626c1e0b109a45a542...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. |
|---|