OT-2026-000004199
Publication integrity record
Bellows cup vacuum gripper, four zone face, plant vacuum fed, pressure verified at each zone
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-2026-000004199) never changes.
Identity and time
| Publication number | OT-2026-000004199 · never reused |
|---|---|
| Internal UUID | 01a0a911-4a6f-7798-a783-bdd668c18860 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:37.810670Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004199 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1cf8c45d1fd0ceb257e684c06338206182d26ab0f95c2c5dbb59b65b432bbdf7 |
|---|---|
| Markdown | 9d67c9e9278505a00fe826ff973057ea48fb678d82bbec4f780cd24811cea2ad |
| Publication page | fb8aafb8955037b25d27a8b2c0d8990436edb58b4f23b9f4cf1d063768e0577f |
| Manifest | b3454e2ab3949562b18b2101f62a731eabf46cba3bc3023ec88fce5c108c463f |
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 | PVuhPpQku7zClHPy15X3Biexek2IT4Hazffx9RPAYu0fuO5apbi7esHA///gLBA1RZkrCGTt7PB+Eee7oePACQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:24.927647Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004199observed fb8aafb8955037b25d27a8b2c0d89904...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:24.911541Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004199/manifest.jsonobserved b3454e2ab3949562b18b2101f62a731e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:24.895269Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004199/publication.mdobserved 9d67c9e9278505a00fe826ff973057ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:24.880390Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004199/publication.txtobserved 1cf8c45d1fd0ceb257e684c063382061...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. |
|---|