OT-2026-000004424
Publication integrity record
Vacuum cup gripper, two zone face, two stage ejector, pressure verified at each zone
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-2026-000004424) never changes.
Identity and time
| Publication number | OT-2026-000004424 · never reused |
|---|---|
| Internal UUID | 01a0a917-411c-72ab-86db-9a9fb35e235d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:21:08.641829Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004424 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0835ea4a48a9ed51ba6c67fc31933de5237e1691ebd622523f993be94639f21f |
|---|---|
| Markdown | 22e468404672cb16e1d407fe809fa2a334759cf5cf98322367f12351c7815d0b |
| Publication page | 8394b88d4e462d8a1f73b5616b8bd1ca16f0fbfe3f714988c9b759dc2eaa48ca |
| Manifest | ea53eed86ee85eefd0c40797f0a7dbb67e85bf464cdf47b0e1d63659c8e8e8c1 |
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 | 9ZO0diKUf57Utke3UDGhqx3Bh9/PemI/FQqJl5TRT++wwq7aH3cGX18uiKtenrOaG2Xf90Bjet+DQ3cRJYarAA== |
| 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
| 2026-09-16T07:30:29.162797Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004424observed 8394b88d4e462d8a1f73b5616b8bd1ca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:29.147319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004424/manifest.jsonobserved ea53eed86ee85eefd0c40797f0a7dbb6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:29.132728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004424/publication.mdobserved 22e468404672cb16e1d407fe809fa2a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:28.989658Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004424/publication.txtobserved 0835ea4a48a9ed51ba6c67fc31933de5...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. |
|---|