OT-2026-000020223
Publication integrity record
Four cup vacuum gripper, four zone face, plant vacuum fed, pulsed blow-off before 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-2026-000020223) never changes.
Identity and time
| Publication number | OT-2026-000020223 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7e9a-90b6-2874cb3340d5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020223 |
| Status | PUBLIC |
Content hashes
| Canonical text | a27a4dcdcd5c31f8d295df8604e262a739854bec2a54bc47c46488d031c8a31d |
|---|---|
| Markdown | a941c6b5bd17c955587d7933860c987e8d8a4317261c4f5c8cf7a3b80d98dc2b |
| Publication page | 6107e80fafb81b44378e566c5456dcd4f7bc318be40398040f3254f5aae35e5a |
| Manifest | 651b94c2b4faffb3ae7c41017c25b0765d570b0e7f4df92f22e457f4f35a3487 |
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 | Ao6YOtMh0vDrqKdEBM3kBbtqikltrM6o6yRFencAHWJZtlpsFkepUyH2OfA+t7hNgKVd/iRPzYR8qW/9CvzmBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:56:33.513127Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020223observed 6107e80fafb81b44378e566c5456dcd4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:33.494118Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020223/manifest.jsonobserved 651b94c2b4faffb3ae7c41017c25b076...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:33.475793Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020223/publication.mdobserved a941c6b5bd17c955587d7933860c987e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:33.455871Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020223/publication.txtobserved a27a4dcdcd5c31f8d295df8604e262a7...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. |
|---|