OT-2026-000001640
Publication integrity record
Drive system for a work vehicle
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-2026-000001640) never changes.
Identity and time
| Publication number | OT-2026-000001640 · never reused |
|---|---|
| Internal UUID | 01a0a677-5931-7211-932a-a68b79d64470 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:07:14.609470Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001640 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9e77b1ddec82c74d472ca4505604ab25e467bed12bfa03c2c7795553c492c13b |
|---|---|
| Markdown | 6e08cfa5cd152818e73c4737085ec3e1fda7d56b13026af165c10d259519f3b7 |
| Publication page | 2a3d1e050ab618c8b0a0149089b0adc399ddbb8a73e5c15266d16ea2f887035c |
| Manifest | 7027050c08add45e63d6d8f747913c5d66262c75832a01e398838aa4c8ae1939 |
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 | NuTIrYRHaKCjDdua4eCfzALSfk+1zEXEkkR8rWUwiTyW66X3T6atx/QXKWsQ9wClqJe89zkh+cR1RVIIYFo8Bw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-09-23T00:41:30.418891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001640observed 2a3d1e050ab618c8b0a0149089b0adc3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-23T00:41:30.362122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001640/manifest.jsonobserved 7027050c08add45e63d6d8f747913c5d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:30.312457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001640/publication.mdobserved 6e08cfa5cd152818e73c4737085ec3e1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:30.126285Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001640/publication.txtobserved 9e77b1ddec82c74d472ca4505604ab25...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:42:09.648994Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001640observed 2a3d1e050ab618c8b0a0149089b0adc3...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:42:09.052967Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001640/manifest.jsonobserved 7027050c08add45e63d6d8f747913c5d...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:42:08.641349Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001640/publication.txtobserved 9e77b1ddec82c74d472ca4505604ab25...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:20.134309Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001640observed 2a3d1e050ab618c8b0a0149089b0adc3...fetched by instance-3.rotem.ai from 127.0.0.1, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|