OT-2026-000002725
Publication integrity record
Guide robots for passenger assistance
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-2026-000002725) never changes.
Identity and time
| Publication number | OT-2026-000002725 · never reused |
|---|---|
| Internal UUID | 01a0a67e-64dc-75f4-a860-b81fa400518e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:14:56.348843Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002725 |
| Status | PUBLIC |
Content hashes
| Canonical text | c0af9f2b77ed479b100dfa9915c15b76a8cd4f621b56c5ad88dbcb7adccbe060 |
|---|---|
| Markdown | ab335ea192b949d6e1d55c5104e2b751fc2d434498f19d472b386a7fbb9a1508 |
| Publication page | 6fa32afba1cc2c3ce624c1da5e339f7f227f21911a244f183728267136bec2bf |
| Manifest | 8761087d63265d08431ef5fa495044a41c950da38aa0a4ffdb9e731f89911db0 |
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 | JU9PtDhYo20QRwW+VRz0K/CtehCqAmtZ1xx5h/SsvlSB6Ar57afPbXWCzb/cV4cbqxcW/c2Sb3a+4aED0pSwDA== |
| 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
| 2026-10-18T04:41:37.430206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002725observed 6fa32afba1cc2c3ce624c1da5e339f7f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-18T04:41:37.378607Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002725/manifest.jsonobserved 8761087d63265d08431ef5fa495044a4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:41:37.331853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002725/publication.mdobserved ab335ea192b949d6e1d55c5104e2b751...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:41:37.232370Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002725/publication.txtobserved c0af9f2b77ed479b100dfa9915c15b76...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:11.898757Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002725observed 6fa32afba1cc2c3ce624c1da5e339f7f...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:11.868631Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002725/manifest.jsonobserved 8761087d63265d08431ef5fa495044a4...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:11.852606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002725/publication.txtobserved c0af9f2b77ed479b100dfa9915c15b76...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 |
|---|