OT-2026-000018649
Publication integrity record
Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer
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-2026-000018649) never changes.
Identity and time
| Publication number | OT-2026-000018649 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-d520-774e-8f78-d89a46485309 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:54.261386Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018649 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9049ee067fa1573d5ace1c2338fb9874b35d7c0d6f296dcda398024a79b24ff8 |
|---|---|
| Markdown | f77777fd9083d6528450a026301587745282992bdaba2cf08b0da6853ce72b62 |
| Publication page | 3494decbd7eed2a03059893d6c90100575ac5f12e20ec980f037068f7c07d671 |
| Manifest | 34ab9fa64506bd0c121f2e31f6bd788a05226fd43deb532cb6d0bead008d8db1 |
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 | Z/onPnpg8XmNgMZCDiehm4UK4eiZsx4MRs7TJLEQIOa8+0JfE9dZKfupI2ehWxSZ96yP+AgenCORc0btcue2Ag== |
| 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
| 2026-09-17T11:59:08.999603Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018649observed 3494decbd7eed2a03059893d6c901005...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:59:08.980599Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018649/manifest.jsonobserved 34ab9fa64506bd0c121f2e31f6bd788a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:08.963235Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018649/publication.mdobserved f77777fd9083d6528450a02630158774...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:08.943284Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018649/publication.txtobserved 9049ee067fa1573d5ace1c2338fb9874...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. |
|---|