OT-2026-000004381
Publication integrity record
Vacuum cup gripper, two outlet manifold, pump fed, pressure verified at each zone, 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-2026-000004381) never changes.
Identity and time
| Publication number | OT-2026-000004381 · never reused |
|---|---|
| Internal UUID | 01a0a915-c734-776e-956c-1c0783db767c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:19:31.894933Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004381 |
| Status | PUBLIC |
Content hashes
| Canonical text | 83af5aa2860e333c10f3606a4926271376a7806b145fca2960f875d79722d8d2 |
|---|---|
| Markdown | af11347095efea32c795aae4d4a3dfb073d41231b403c905f38fd063f5156dce |
| Publication page | 78cf49a336a7dabc23cc7048b4272354f061b1dc75ecf4083c082dbb74dd4661 |
| Manifest | 19929abb8416829701e2a7792e4ff9cab134758c43265e2b0efe0f5a44d6c66a |
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 | sa3U+DgpKo5UfexeYnjkXAu0VXihUXHjx00JF/R01IrrR5qeAxsHWg1uJkgaUe3IlZGQPBtw0rgQBRRHu3zTCA== |
| 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
| 2026-09-16T07:20:04.238544Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004381observed 78cf49a336a7dabc23cc7048b4272354...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:04.225670Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004381/manifest.jsonobserved 19929abb8416829701e2a7792e4ff9ca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:04.211545Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004381/publication.mdobserved af11347095efea32c795aae4d4a3dfb0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:04.197898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004381/publication.txtobserved 83af5aa2860e333c10f3606a49262713...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. |
|---|