OT-2026-000019389
Publication integrity record
Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000019389) never changes.
Identity and time
| Publication number | OT-2026-000019389 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-7133-8848-6f6979d89812 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019389 |
| Status | PUBLIC |
Content hashes
| Canonical text | bb413be345d8d6cd05191df7d6562d7609d6c10c25f19e23bedfe51e8df9842d |
|---|---|
| Markdown | 37ce8b35635a5139906bff20520cf9ffa8b4cff661c31d931f437ab15a3999a1 |
| Publication page | 987a31761956c097827f65c81faa50ec8d199de6b13568f68148ac337fa83d27 |
| Manifest | e42ba508ff085feee0f173fc77a44597043a5e0742c8ebee6c4a281ac9bf3e8e |
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 | VMqnOb4Do/oLmH+qRoOKYD4DjlvjoUwuOlCawjOPcszFZcH55d4Dyb9iNgFPlZvPDPOCVwjczUYtwLmkrHXTBA== |
| 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
| 2026-09-17T11:58:23.162635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019389observed 987a31761956c097827f65c81faa50ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:23.144829Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019389/manifest.jsonobserved e42ba508ff085feee0f173fc77a44597...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:23.126866Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019389/publication.mdobserved 37ce8b35635a5139906bff20520cf9ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:23.108347Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019389/publication.txtobserved bb413be345d8d6cd05191df7d6562d76...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. |
|---|