OT-2026-000003087
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-2026-000003087) never changes.
Identity and time
| Publication number | OT-2026-000003087 · never reused |
|---|---|
| Internal UUID | 01a0a688-68fb-7b00-aa4c-c3094356847c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:25:52.763843Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003087 |
| Status | PUBLIC |
Content hashes
| Canonical text | b2fc4db78d1c827a200c9e575f9da7eb62343efcad056f890e38cb74e38e8695 |
|---|---|
| Markdown | 735c4fbdb637460394e94e94d8f331096f8f177445e98390c98a6e802340c325 |
| Publication page | 715b607b951affdd5d3a6470e3fe529525457c4a063892e3bbc447aef920acbf |
| Manifest | f0ff941871114e6886eb68e16c088e8f6b86af5f320c4fef52ec9e975e0c6360 |
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 | alibRa+POBiYMiFzHIQPVhikCVzBuHejJYhVIXgXdPQaOzsFnSMcjvVQfQkLP016inThyLmQk5XsKgv8MLjUBg== |
| 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
| 2026-09-17T00:41:50.037968Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003087observed 715b607b951affdd5d3a6470e3fe5295...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T00:41:49.867942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003087/manifest.jsonobserved f0ff941871114e6886eb68e16c088e8f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T00:41:49.710725Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003087/publication.mdobserved 735c4fbdb637460394e94e94d8f33109...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T00:41:49.425140Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003087/publication.txtobserved b2fc4db78d1c827a200c9e575f9da7eb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:04.626757Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003087observed 715b607b951affdd5d3a6470e3fe5295...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:04.583043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003087/manifest.jsonobserved f0ff941871114e6886eb68e16c088e8f...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:04.445716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003087/publication.txtobserved b2fc4db78d1c827a200c9e575f9da7eb...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 |
|---|