OT-2026-000004468
Publication integrity record
Porous face vacuum gripper, per zone isolation, three outlet manifold, two stage ejector, contact triggered
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-2026-000004468) never changes.
Identity and time
| Publication number | OT-2026-000004468 · never reused |
|---|---|
| Internal UUID | 01a0a919-0f44-7f26-9c6c-73ede84ff3ff · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:23:06.951348Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004468 |
| Status | PUBLIC |
Content hashes
| Canonical text | c36ddf86c936c2a9d9e975bfbf3a07a3b92b176a06693be9936d0427e1f999ce |
|---|---|
| Markdown | 6d2bb7f062f8f7818e04f1790af1f7f1fe68dbad345f1cfa1857755a8b15db9d |
| Publication page | 13844e9b73a98f4db8eaece76e730dfb7030ed861e23bf52c833cd8bc4b392ba |
| Manifest | 68a8bce637e9993cf97d83818a23bed7f3a705cde661f6a771d1fa1d68ae0105 |
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 | ezz98F3+iGrR8nWohYWSO4dFczs4DDsEMlSw/G7IvS++qx5G4wsKix17Mru0+fCxr7xaTdcjvpheZPuNOCuNBA== |
| 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
| 2026-09-16T07:30:24.241757Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004468observed 13844e9b73a98f4db8eaece76e730dfb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:24.224540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004468/manifest.jsonobserved 68a8bce637e9993cf97d83818a23bed7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:24.211041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004468/publication.mdobserved 6d2bb7f062f8f7818e04f1790af1f7f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:24.197823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004468/publication.txtobserved c36ddf86c936c2a9d9e975bfbf3a07a3...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. |
|---|