OT-2026-000048619
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-2026-000048619) never changes.
Identity and time
| Publication number | OT-2026-000048619 · never reused |
|---|---|
| Internal UUID | 01a0ae80-4de8-7926-97de-a96e0e0acd0c · 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-2026-000048619 |
| Status | PUBLIC |
Content hashes
| Canonical text | d2deb876d237bab3d21f20722bae0a841cc5b7a10a76fbd1398b83236d531261 |
|---|---|
| Markdown | 5ff7d305595bafc16b56ebbb430a56bf158a2b36ee795273969f11c3ef334a0a |
| Publication page | 4e8c0a2965ba52c4c562653b6e9c95c0d4c867f16428bca336a7e6a97c804123 |
| Manifest | e9e6cff5b0f54055a6c9abc4183fb0a252898fbded7350bc66818b8841316257 |
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 | OIetwx1NG3uCiZdfLLXcRAAH2ka+n0yPA59tPnf8yya8V4lnT1L3vFdrjYon5jqd9IDrxC1wf0N+qvBGT08mDQ== |
| 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
| 2026-09-17T11:05:26.291773Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048619observed 4e8c0a2965ba52c4c562653b6e9c95c0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:05:26.273008Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048619/manifest.jsonobserved e9e6cff5b0f54055a6c9abc4183fb0a2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:05:26.254800Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048619/publication.mdobserved 5ff7d305595bafc16b56ebbb430a56bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:05:26.236173Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048619/publication.txtobserved d2deb876d237bab3d21f20722bae0a84...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. |
|---|