OT-2026-000001254
Publication integrity record
A method and an apparatus for controlling a boom system of a crane, crane and mobile platform
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-2026-000001254) never changes.
Identity and time
| Publication number | OT-2026-000001254 · never reused |
|---|---|
| Internal UUID | 01a0a674-d0e9-70d1-b6f8-7abf5921ddae · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:04:28.649947Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001254 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1c116d355fe1cef28a1640f6ad761f25591889562816e19cc8adcdb2fd5a46e8 |
|---|---|
| Markdown | eee0178175811ca6900077f3d80e842091afcc1e23c5fb597a75e9e3e7af4fc6 |
| Publication page | 588c59810a082547c2420e7ffbd7f628c745a5a320778d5f70174a13bbd467c3 |
| Manifest | b80be5f016ac7097482fc87b59a0c89540d35a227da3ddf5263bc6654cd6a05c |
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 | i88+/SX2dBULOhjivHNAK+E9dRyzejkwehm1jNDpDAxCooI3XjR0Wh2r0Ief3CFV9IWmmxovwhYflYEqDAb/DQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:07:03Z batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof root 6369baadb1a246009d149835804d20ba... |
|---|
Independent retrieval
| 2026-10-22T08:41:48.402977Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001254observed 588c59810a082547c2420e7ffbd7f628...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T08:41:48.326259Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001254/manifest.jsonobserved b80be5f016ac7097482fc87b59a0c895...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T08:41:48.256020Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001254/publication.mdobserved eee0178175811ca6900077f3d80e8420...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T08:41:48.105344Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001254/publication.txtobserved 1c116d355fe1cef28a1640f6ad761f25...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:38.738314Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001254observed 588c59810a082547c2420e7ffbd7f628...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:38.585435Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001254/manifest.jsonobserved b80be5f016ac7097482fc87b59a0c895...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:38.571697Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001254/publication.txtobserved 1c116d355fe1cef28a1640f6ad761f25...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 |
|---|