OT-2026-000004783
Publication integrity record
Vacuum cup gripper, four zone face, common isolation valve, pump fed, vented after set down
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-2026-000004783) never changes.
Identity and time
| Publication number | OT-2026-000004783 · never reused |
|---|---|
| Internal UUID | 01a0a923-379f-7a6b-a50b-fd215e1f862c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:34:12.642077Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004783 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0bcb7de3432c3bd839ef4eb66624528af467696d2e98dc66acb77b71dab31948 |
|---|---|
| Markdown | de7cce65543b119981b0e8b3c6b4bc6c136a7aca48191f75e8853c38df6ed7f5 |
| Publication page | 8763272f747b4a4a47f93c4034c04f0c2a61677b9990a88c28afa21c3c75750d |
| Manifest | 8d78f1d7cfea9989cdd05d3a4b7940929370df3e5c15256dba8fdc3ac8d4edfc |
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 | lLREYqkZO7vk9NuawZrvM0SxGXcUgv4CDPUnsqtFwexgZ43V5v1+f/NXw683jUy9RNTEz+TO5yS88wPWnY4XDQ== |
| 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
| 2026-09-16T07:40:19.434749Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004783observed 8763272f747b4a4a47f93c4034c04f0c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:19.422420Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004783/manifest.jsonobserved 8d78f1d7cfea9989cdd05d3a4b794092...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:19.409789Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004783/publication.mdobserved de7cce65543b119981b0e8b3c6b4bc6c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:19.397246Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004783/publication.txtobserved 0bcb7de3432c3bd839ef4eb66624528a...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. |
|---|