OT-2026-000003100
Publication integrity record
Hydraulic leveling control system for a loader type 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-2026-000003100) never changes.
Identity and time
| Publication number | OT-2026-000003100 · never reused |
|---|---|
| Internal UUID | 01a0a68b-42e5-7e5d-a596-c69520c28589 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:28:59.621853Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003100 |
| Status | PUBLIC |
Content hashes
| Canonical text | d3acced676ee5e8698cb9651ef9661ca336ec687c0884b875d9f8b876b782080 |
|---|---|
| Markdown | b923e838542072f4aa5d5175ea7e75af193e1d7bd47ce99cc74cc8bc77bd18f4 |
| Publication page | 9fd6676195fb60cbc12c9a1e7e400ba47f5e958cfb67b8be319bd18fbd7c2f68 |
| Manifest | d58ae6f9867b4736156002ea521249def82511c0471dca764fcc6ffcc620cd6c |
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 | JsehME6qIVYRRmOpnJ7/ot1l+7qm7k4YwaeWrlxT3+vkHi7N0K2oIufXgM8rAi8esVhyGnbVkEyyCXLheNM3Dw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:47:02Z batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof root 713cd89b73be422b38f7894d4fb6a755... |
|---|
Independent retrieval
| 2026-10-02T04:41:56.407167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003100observed 9fd6676195fb60cbc12c9a1e7e400ba4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-02T04:41:56.298336Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003100/manifest.jsonobserved d58ae6f9867b4736156002ea521249de...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:41:56.169095Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003100/publication.mdobserved b923e838542072f4aa5d5175ea7e75af...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:41:55.994429Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003100/publication.txtobserved d3acced676ee5e8698cb9651ef9661ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T16:41:58.584799Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003100observed 9fd6676195fb60cbc12c9a1e7e400ba4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T16:41:58.527136Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003100/manifest.jsonobserved d58ae6f9867b4736156002ea521249de...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T16:41:58.457014Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003100/publication.mdobserved b923e838542072f4aa5d5175ea7e75af...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T16:41:58.366638Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003100/publication.txtobserved d3acced676ee5e8698cb9651ef9661ca...fetched by grabo-systems from 34.44.131.203, 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 |
|---|