OT-2026-000019891
Publication integrity record
Three cup vacuum gripper, three zone face, pump 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-2026-000019891) never changes.
Identity and time
| Publication number | OT-2026-000019891 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb6-78bc-a708-01cf30ba9688 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019891 |
| Status | PUBLIC |
Content hashes
| Canonical text | d8453b437d62c13cc2f504725575ca95db162b02064f8edc2a1d721187a9ab44 |
|---|---|
| Markdown | 78ee28c24738a15b66ec588bacd93456003b3edfec0060433feaeed7bc4d5924 |
| Publication page | 425cd93eefeffc618a8c05eb0e416bc79f7bf42a8b6ad3f10818e11a59e8e861 |
| Manifest | ee516876f72a9db242a7ccac909666fd6696a59ed0643da7ce08f0a1df502139 |
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 | zBda6tPc8+678qJT5EiedJDFF/wKw9eJupcviqJYsE1Ajh5q1eqWUEHkcA6+zVTXs6U+fyiQaXE9etpafftjCg== |
| 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
| 2026-09-17T11:58:05.916292Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019891observed 425cd93eefeffc618a8c05eb0e416bc7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:05.898290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019891/manifest.jsonobserved ee516876f72a9db242a7ccac909666fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:05.878706Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019891/publication.mdobserved 78ee28c24738a15b66ec588bacd93456...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:05.859812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019891/publication.txtobserved d8453b437d62c13cc2f504725575ca95...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. |
|---|