OT-2026-000002524
Publication integrity record
Positioning method and system for underwater cleaning robot, apparatus, and storage medium
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-2026-000002524) never changes.
Identity and time
| Publication number | OT-2026-000002524 · never reused |
|---|---|
| Internal UUID | 01a0a67d-3193-7403-afc4-fe21f9af4ecd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:13:37.684047Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002524 |
| Status | PUBLIC |
Content hashes
| Canonical text | 323c4acc6bb01d6a4d594dfc387bdad53b1cda8c989ef31ad4096ba548d33219 |
|---|---|
| Markdown | a6eee6eac3068cb139ccbb04dde714d81827309ad4a273f03cfcb90faa070426 |
| Publication page | 15f75881bcb0519859916e8db7cba9327290e3bda2635072eac0b84064115c1a |
| Manifest | 16f0667d45602c6e4fcb64ba310776ee784bf505368394717342cd808ca70e0e |
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 | 1meMHCjFt/UK+UQfD+kHgaS0fvM8t6WYdhJN+2FyctI02TjghI4Qq2Wh2sqWw0sBMRIrgLDge8Bp8VsaTDqnDQ== |
| 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
| 2026-09-17T04:23:04.521982Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002524observed 15f75881bcb0519859916e8db7cba932...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T04:23:04.508391Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002524/manifest.jsonobserved 16f0667d45602c6e4fcb64ba310776ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:04.493302Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002524/publication.mdobserved a6eee6eac3068cb139ccbb04dde714d8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:04.458921Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002524/publication.txtobserved 323c4acc6bb01d6a4d594dfc387bdad5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:37.336135Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002524observed 15f75881bcb0519859916e8db7cba932...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:37.183094Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002524/manifest.jsonobserved 16f0667d45602c6e4fcb64ba310776ee...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:37.170927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002524/publication.txtobserved 323c4acc6bb01d6a4d594dfc387bdad5...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 |
|---|