OT-2026-000048623
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000048623) never changes.
Identity and time
| Publication number | OT-2026-000048623 · never reused |
|---|---|
| Internal UUID | 01a0ae80-4de8-7dbe-b7a6-fd8ce1538277 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:33:59.290761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048623 |
| Status | PUBLIC |
Content hashes
| Canonical text | 37c25058c0f7e24ee0ad4257c580ada885b206bd25202c5c647206b29260cd46 |
|---|---|
| Markdown | 3d4187f59551d9d03094506f28715c62b1f45da8b818b5e4ed768019c3060e40 |
| Publication page | 4ccad2b9e2b71986d33669f4c34150edf504985dd1b681dd3a6712d135367458 |
| Manifest | 0cd837bacc2bd0c279469ed73de1a7497585b999c2acafa43b646ef4ed47b89b |
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 | MUyFC0VB1VsZejT1H4CyEyLzBER2oVf/cwRYAo97ddFSCz/JOqjle8jseJ2QYQ5uESNA00HyoOXe87kDY8RZDQ== |
| 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
| 2026-09-17T11:05:26.607085Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048623observed 4ccad2b9e2b71986d33669f4c34150ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:05:26.587405Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048623/manifest.jsonobserved 0cd837bacc2bd0c279469ed73de1a749...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:05:26.569022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048623/publication.mdobserved 3d4187f59551d9d03094506f28715c62...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:05:26.548771Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048623/publication.txtobserved 37c25058c0f7e24ee0ad4257c580ada8...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. |
|---|