OT-2026-000002638
Publication integrity record
Robotic arm obstacle avoiding path planning method
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-2026-000002638) never changes.
Identity and time
| Publication number | OT-2026-000002638 · never reused |
|---|---|
| Internal UUID | 01a0a67d-de45-7967-afca-2dbeb56ae836 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:14:21.894010Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002638 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3aaf69fd64fa071cd0009cdaa074e69af7d1ee56bac9df904c554eb055df2001 |
|---|---|
| Markdown | c0423db99f1d6f1074967e4267574bb8c9d0dc0499d3420b1d8c8f29e413bf3f |
| Publication page | ce00b7c27ad300ae03f95dd9690d69401a9b26b1b0c73b942eaea288d6bbe198 |
| Manifest | f616aaa544b568a513d7407369e28ad7beb4f383be66ac72c4bf10b758253456 |
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 | HIgRKl/lZZhO5Vkkp1h9XlpB/Fy1BT2YouNbenbg5dA+ylzNVYnAdWxO5Q0OPXq2H/2XGXg+FaKpmVw7l579Cw== |
| 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
| 2026-10-02T16:41:18.934963Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002638observed ce00b7c27ad300ae03f95dd9690d6940...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-02T16:41:18.856851Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002638/manifest.jsonobserved f616aaa544b568a513d7407369e28ad7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T16:41:18.688172Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002638/publication.mdobserved c0423db99f1d6f1074967e4267574bb8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T16:41:18.551673Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002638/publication.txtobserved 3aaf69fd64fa071cd0009cdaa074e69a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:11.950235Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002638observed ce00b7c27ad300ae03f95dd9690d6940...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:11.933385Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002638/manifest.jsonobserved f616aaa544b568a513d7407369e28ad7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:11.902325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002638/publication.mdobserved c0423db99f1d6f1074967e4267574bb8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:11.847781Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002638/publication.txtobserved 3aaf69fd64fa071cd0009cdaa074e69a...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|