OT-2026-000004112
Publication integrity record
Vacuum cup gripper, two zone face, four 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-2026-000004112) never changes.
Identity and time
| Publication number | OT-2026-000004112 · never reused |
|---|---|
| Internal UUID | 01a0a90f-1a32-7b6b-82a2-0b5fcc5274cf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:14.389597Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004112 |
| Status | PUBLIC |
Content hashes
| Canonical text | a556644f96e9af47afef765775b2e056aa22169b4da02059e8934e6177decb68 |
|---|---|
| Markdown | 8dc4d0d231d0757b9dc471d778eeb5c2ea12f13f204a76dcd6e31fd2968227d5 |
| Publication page | 3e8b723bb632264827ee4bd4fc75284479063021b8992acc14f55775a0b3e739 |
| Manifest | 20b5b6533bb5fd883ecf22f51e87c85128e0f1565134eebd2ce293c90f72502b |
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 | y3XUs3FI6tjhOOFjxnMMuu79CWELgJPo0VcDNvxpMDfIYa8FRETid/inSayDyTI4safHPNVMD7ZU+mdNPlAKBA== |
| 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
| 2026-09-16T07:20:35.180927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004112observed 3e8b723bb632264827ee4bd4fc752844...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:35.168757Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004112/manifest.jsonobserved 20b5b6533bb5fd883ecf22f51e87c851...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:35.152163Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004112/publication.mdobserved 8dc4d0d231d0757b9dc471d778eeb5c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:35.137828Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004112/publication.txtobserved a556644f96e9af47afef765775b2e056...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. |
|---|