OT-2026-000002966
Publication integrity record
Adaptive control method and system for offshore cranes without requiring velocity feedback
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-2026-000002966) never changes.
Identity and time
| Publication number | OT-2026-000002966 · never reused |
|---|---|
| Internal UUID | 01a0a67f-c5b1-76eb-b5c5-34aa550ffa21 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:16:26.674186Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002966 |
| Status | PUBLIC |
Content hashes
| Canonical text | 99dd288c25773e71d8a0c13a19b3a4a3f5c234068fc4f370635b91e4222572c0 |
|---|---|
| Markdown | 97457fbc5c51ab69ac2af2207e35a7c470a3bfce1b4e3ba5692af26ed152b8c4 |
| Publication page | b83976c81212b27da91dd60ef0fa6e61659dcf09c35bbbc3da70b3d0bf7362c5 |
| Manifest | 8348122fbbf8c70bd46bb844a575837ab1774c6cff52c452fae1ce585cf12dc2 |
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 | qBJ8jhMKhz2OmufNT8lWNe9ExIczFSKG1Z2VfhQxnCsY7Yho7K1F7LEorthccqo3TUXwBmE4AM7P0TiNdOnrDg== |
| 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
| 2026-09-15T19:20:13.996331Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002966observed b83976c81212b27da91dd60ef0fa6e61...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:20:13.969189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002966/manifest.jsonobserved 8348122fbbf8c70bd46bb844a575837a...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:20:13.956471Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002966/publication.txtobserved 99dd288c25773e71d8a0c13a19b3a4a3...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 |
|---|