OT-2026-000004290
Publication integrity record
Bellows cup vacuum gripper, plant vacuum fed, pressure verified at each zone, contact triggered
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-2026-000004290) never changes.
Identity and time
| Publication number | OT-2026-000004290 · never reused |
|---|---|
| Internal UUID | 01a0a913-3e44-7d49-9ebb-58688a9b0f60 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:45.767566Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004290 |
| Status | PUBLIC |
Content hashes
| Canonical text | 06cfafd6b776b0d6fe9ff46585ada362e495f121c5b2596d72aa325f94e5f2ce |
|---|---|
| Markdown | d4ed80711ebddf04d535b65d3d529acca5f877c763c5dd1ba4bc60238f67e0ac |
| Publication page | ff3fa7dec459d081e8ce7f8ba79e28a0ed54bf3a77ea7c6623eb8e3143317a31 |
| Manifest | 930bad530bd57340ea04ac529dd65e6f65a570c8670437a82330ad2ba38e3573 |
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 | 0y4II7qduIGo10qJNFzwHX31WpU+pwkuZw4nNq4P2/mwO8Zm8/qpBvBmzZsqCcqcGCSFtxgzwvZWMAyNNkRhBA== |
| 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
| 2026-09-16T07:20:14.643113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004290observed ff3fa7dec459d081e8ce7f8ba79e28a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:14.628510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004290/manifest.jsonobserved 930bad530bd57340ea04ac529dd65e6f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:14.501356Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004290/publication.mdobserved d4ed80711ebddf04d535b65d3d529acc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:14.487434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004290/publication.txtobserved 06cfafd6b776b0d6fe9ff46585ada362...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. |
|---|