OT-2026-000000861
Publication integrity record
Guide dog robot for the visually impaired persons and control method thereof
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-2026-000000861) never changes.
Identity and time
| Publication number | OT-2026-000000861 · never reused |
|---|---|
| Internal UUID | 01a0a673-ede7-7ea5-8e11-cb2a5db1f958 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:30.536093Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000861 |
| Status | PUBLIC |
Content hashes
| Canonical text | 82cbf45b8e5085af06e7604a2f5fb74c5ab7edcbeffdfac7dc63df204f6f1a87 |
|---|---|
| Markdown | 43ecb8047439f4c28f767141a32163bb9cde2c026c266a7dd2436675a8eb88c5 |
| Publication page | cf5d71485c3f231bb26a57cd4995e36dd9d97a220af53a97ff3d41cc2b26aea7 |
| Manifest | 61d1c278282b218562f917aba1d4748585cd6f8cbe42ec7a0539ab2d28bd93e1 |
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 | 0p+GRyB0e/J9RkyZHaggc+UtQYgZ/erpWrplkRpLZ92LIjQ7CV12H/CXIwsxnuQcq6zqWi0py3WFuGIr0NSfBA== |
| 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
| 2026-09-20T04:42:11.510768Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000861observed cf5d71485c3f231bb26a57cd4995e36d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-20T04:42:11.376528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000861/manifest.jsonobserved 61d1c278282b218562f917aba1d47485...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:42:11.253709Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000861/publication.mdobserved 43ecb8047439f4c28f767141a32163bb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:42:10.999475Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000861/publication.txtobserved 82cbf45b8e5085af06e7604a2f5fb74c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:26.619434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000861observed cf5d71485c3f231bb26a57cd4995e36d...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:26.464129Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000861/manifest.jsonobserved 61d1c278282b218562f917aba1d47485...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:26.448651Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000861/publication.txtobserved 82cbf45b8e5085af06e7604a2f5fb74c...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 |
|---|