OT-2026-000002683
Publication integrity record
Common attachment interface for a firefighting robotic vehicle
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-2026-000002683) never changes.
Identity and time
| Publication number | OT-2026-000002683 · never reused |
|---|---|
| Internal UUID | 01a0a67e-2181-7662-a70f-fec0ad4d275d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:14:39.105690Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002683 |
| Status | PUBLIC |
Content hashes
| Canonical text | 880fc0c0cddb0bf3f5b1c1a9eb8fb64b786a6b116df14cae3400e73795ae4ac7 |
|---|---|
| Markdown | 8ae834e841ca4ec40ba2ff2bd1a2e7d7c54f46ee87f39a4d181829c41fbfd395 |
| Publication page | 52a2b947b215358f2cb85d7aacc3a7ab62eb7d25ae22b54bc3923d390d0bb474 |
| Manifest | 0122f7585c467d32dc01c069236deb164f853ef911c52057374ea82795f31061 |
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 | owkVIq4pfeyXCEZOYeM34oqmN//DQYGil/Rhk+6Kug4tB7ndDh4bU9Lt8bJv+jibttvS1iMp578v2Jq9BGjODA== |
| 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
| 2026-10-05T04:41:26.721397Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002683observed 52a2b947b215358f2cb85d7aacc3a7ab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-05T04:41:26.673173Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002683/manifest.jsonobserved 0122f7585c467d32dc01c069236deb16...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T04:41:26.624755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002683/publication.mdobserved 8ae834e841ca4ec40ba2ff2bd1a2e7d7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T04:41:26.520642Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002683/publication.txtobserved 880fc0c0cddb0bf3f5b1c1a9eb8fb64b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:17.086369Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002683observed 52a2b947b215358f2cb85d7aacc3a7ab...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:16.956539Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002683/manifest.jsonobserved 0122f7585c467d32dc01c069236deb16...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:16.941103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002683/publication.txtobserved 880fc0c0cddb0bf3f5b1c1a9eb8fb64b...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 |
|---|