OT-2026-000004703
Publication integrity record
Vacuum cup gripper, four zone face, common isolation valve, plant vacuum fed, rubber cups
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-2026-000004703) never changes.
Identity and time
| Publication number | OT-2026-000004703 · never reused |
|---|---|
| Internal UUID | 01a0a920-aa97-7a78-9c90-763a57fade23 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:31:25.465845Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004703 |
| Status | PUBLIC |
Content hashes
| Canonical text | f8511e42f21fee96adfbe0ac68c5633231fa0cf8975da31b75c10f978af27e94 |
|---|---|
| Markdown | da8cd10f88badd7adfe585137e04eaa78539a552674468cfc90108b605512f11 |
| Publication page | 721af16b53d941d675a99eaa9b8e2e0451923a43f6727676efc7b9849ab451cc |
| Manifest | d6c7ff3ee2532b37120a186371ebfdb3cfe74586ca09880680f3a54c1a9773f7 |
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 | s55KtV4AfqX0oZoLcknR5Fx/nC0DNuhORaSz69UgO3vH9HIjuQGt2qdJ8hHpLDOIDGLztRgpDbhx6UYg1RNZAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:27.901401Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004703observed 721af16b53d941d675a99eaa9b8e2e04...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:27.889375Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004703/manifest.jsonobserved d6c7ff3ee2532b37120a186371ebfdb3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:27.876944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004703/publication.mdobserved da8cd10f88badd7adfe585137e04eaa7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:27.740152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004703/publication.txtobserved f8511e42f21fee96adfbe0ac68c56332...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. |
|---|