OT-2026-000019403
Publication integrity record
Two cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000019403) never changes.
Identity and time
| Publication number | OT-2026-000019403 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-7984-b83e-59800abe938b · 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-2026-000019403 |
| Status | PUBLIC |
Content hashes
| Canonical text | 60f150ad6d1e40589bd95743e70c9a7e728c9745f0ee2a81a8757bf9f245be21 |
|---|---|
| Markdown | 402fbcc6608bffdc31d13d2c0ab85b970ec1d09505ebbdfe90b46945b7c60311 |
| Publication page | 72b9dd0e122fb80c8a94cfea23732830b6e29f6bd97bd879ae1a82769c0b5c2e |
| Manifest | 288094bb33acbeb551fdd9da36b9dbcc4de74be49bc47f9ffbd3005531c5cfa7 |
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 | qVNOG5FwkN6HKxtyeeeOktCOKV1AajgrjLatVwG01vOA7avgSBS2AMTdPNAcZVKmnqL2plsRsKJvx8QEuUXPAg== |
| 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
| 2026-09-17T11:58:47.395238Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019403observed 72b9dd0e122fb80c8a94cfea23732830...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:47.378545Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019403/manifest.jsonobserved 288094bb33acbeb551fdd9da36b9dbcc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:47.357410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019403/publication.mdobserved 402fbcc6608bffdc31d13d2c0ab85b97...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:47.339613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019403/publication.txtobserved 60f150ad6d1e40589bd95743e70c9a7e...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. |
|---|