OT-2026-000019421
Publication integrity record
Single cup vacuum gripper, pump fed, supply line 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-2026-000019421) never changes.
Identity and time
| Publication number | OT-2026-000019421 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-720b-8c51-be27daa28c94 · 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-2026-000019421 |
| Status | PUBLIC |
Content hashes
| Canonical text | b1a3418e6210b7d2be4731adaacd132e52c9f9ba80741d5401ce05b01f2260d9 |
|---|---|
| Markdown | bde095e95263b290a3caa2852de246e3986fc457638f21be20a005affaa3e477 |
| Publication page | c6b54a752a6ad6bdc5124641ea7284adab1bad2ab597698267287a4d62362154 |
| Manifest | dfa73918ff7051cd832c64d2b06a4b0d1e82086a72627e32593edd05df9cff08 |
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 | nxl7V8poUl/DxJUJtq1W5TNG/iiPpm/CyCncYaWdvQmW4FB6HLQXkLvu4Fb8tZ+HHxQT5twy/HQ/FfpZP4ouBA== |
| 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
| 2026-09-17T11:58:48.799937Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019421observed c6b54a752a6ad6bdc5124641ea7284ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:48.778110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019421/manifest.jsonobserved dfa73918ff7051cd832c64d2b06a4b0d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:48.759568Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019421/publication.mdobserved bde095e95263b290a3caa2852de246e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:48.741030Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019421/publication.txtobserved b1a3418e6210b7d2be4731adaacd132e...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. |
|---|