OT-2026-000003428
Publication integrity record
Force feedback control for backhoe
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-2026-000003428) never changes.
Identity and time
| Publication number | OT-2026-000003428 · never reused |
|---|---|
| Internal UUID | 01a0a6bf-b3f7-7682-acf7-581a6514c254 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:26:16.440192Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003428 |
| Status | PUBLIC |
Content hashes
| Canonical text | ffcd5ed419d480f0f14bacb245dc97da554f018fe1ae334251b14f0b8f4d99ed |
|---|---|
| Markdown | 2ccfad661f00039af953a9037a3af6901ca51b95695cf96d13719fdbc84d62e4 |
| Publication page | 30ca9a56d0c6b0b5d960a2fef9ec78a2fbe1ce13904e852e06e376a2569ae728 |
| Manifest | d3ddf9baa46317a27ef65e0c48b109936afef3f2e84a7319039868c581b9899a |
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 | MW75DRlUkdUPPk8V1KWcTt3LZh9UVgPC9j1xxw9FpmlERXhLglVncnlNJEHBaQI2/+douKYGaqyoDj+8T5fADA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:27:02Z batch OT-TS-2026-W38-005 · RFC 3161 token · inclusion proof root 0d980c01ea01b2d7f69845e24a85320c... |
|---|
Independent retrieval
| 2026-09-16T04:23:14.826525Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003428observed 30ca9a56d0c6b0b5d960a2fef9ec78a2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T04:23:14.811584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003428/manifest.jsonobserved d3ddf9baa46317a27ef65e0c48b10993...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:14.797162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003428/publication.mdobserved 2ccfad661f00039af953a9037a3af690...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:14.760455Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003428/publication.txtobserved ffcd5ed419d480f0f14bacb245dc97da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:06.451406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003428observed 30ca9a56d0c6b0b5d960a2fef9ec78a2...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:06.421012Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003428/manifest.jsonobserved d3ddf9baa46317a27ef65e0c48b10993...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:06.408157Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003428/publication.txtobserved ffcd5ed419d480f0f14bacb245dc97da...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 |
|---|