OT-2026-000004002
Publication integrity record
Porous face vacuum gripper, two outlet manifold, pump 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-2026-000004002) never changes.
Identity and time
| Publication number | OT-2026-000004002 · never reused |
|---|---|
| Internal UUID | 01a0a90c-a1ec-72a6-a543-d7b51a1ff0af · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:32.527202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004002 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4aa55091b75bf290f9f15fc135a4f4d2f01d133bb26346c9913288b50e1f3141 |
|---|---|
| Markdown | 84fae9756fd7a501fb3786601da3d7fa2b8a21f5028cbf58c0eb411f5dc15cfb |
| Publication page | 705409ff44f86c01f9d29d19a08f4b66d51966e7188cf11e9f5c0229e0ed6712 |
| Manifest | 99152a2ad0272de81e28d00b3de3c7f5448eec201c18e6e10f93d54daa307376 |
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 | XyxUVaLe8RRzAGJKs06yeRW2nI/HvOo3QFgZeyxr4Hr0qhoU6DzexPCb5lJIe3OuuY27gNZ+nWlJKBHrKbKVAw== |
| 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
| 2026-09-16T07:10:07.041858Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004002observed 705409ff44f86c01f9d29d19a08f4b66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:07.020909Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004002/manifest.jsonobserved 99152a2ad0272de81e28d00b3de3c7f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:07.006072Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004002/publication.mdobserved 84fae9756fd7a501fb3786601da3d7fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:06.992711Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004002/publication.txtobserved 4aa55091b75bf290f9f15fc135a4f4d2...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. |
|---|