OT-2026-000002300
Publication integrity record
Robot positioning method based on multiple layers of grid maps, and chip and laser robot
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-2026-000002300) never changes.
Identity and time
| Publication number | OT-2026-000002300 · never reused |
|---|---|
| Internal UUID | 01a0a67b-c944-71aa-8300-755ac82aa55d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:12:05.445126Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002300 |
| Status | PUBLIC |
Content hashes
| Canonical text | f9a7d3017362ed341acc0f8db1486b5982bfdcd0750e0ed459f5dfa4f3e886d1 |
|---|---|
| Markdown | 2c41a998800aba20696c4951e11e16c3ef0dc00de8a31988aba384f3a35382ee |
| Publication page | 5eb8b459c76c0197a8e07785bfbfc6766685796f629a1ba1574122ad1f417579 |
| Manifest | c767f0973b1538d933138ada030dde3b284b64bfe000dc0b8bb5ddc9112c7701 |
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 | /kr3QvzkmaEw/aVyQ38oEz6l30iamCnHaXTBYmLBUG7LZMBf7EvItqEvT2XIJn8rxbfjuGqf6YQKJf53sEMBAg== |
| 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
| 2026-09-15T19:40:30.523036Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002300observed 5eb8b459c76c0197a8e07785bfbfc676...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:40:30.492330Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002300/manifest.jsonobserved c767f0973b1538d933138ada030dde3b...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:40:30.478974Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002300/publication.txtobserved f9a7d3017362ed341acc0f8db1486b59...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 |
|---|