OT-2026-000000565
Publication integrity record
Railway tank car having a discharge valve assembly and a dis-engageable valve handle assembly coupled to the discharge valve assembly
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-2026-000000565) never changes.
Identity and time
| Publication number | OT-2026-000000565 · never reused |
|---|---|
| Internal UUID | 01a0a673-8ac7-718f-8d7d-6e998c2de278 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:05.160148Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000565 |
| Status | PUBLIC |
Content hashes
| Canonical text | e6efff6ef7beded735d532a000f1752711197d28c71465bf5228b82c064e9830 |
|---|---|
| Markdown | aaa64472aa152281ec0ffd37de56bb38b2e66b266ec7e0dc2d64713c5da25a4b |
| Publication page | fa366479b189a67618c2b65cf8196b172f88c82a7a8014978b43a15c188eacf2 |
| Manifest | c013f6a273d21f89c7d1567384dee974da7249fe10972b1f526ac39a8802417a |
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 | NGzT3APGWQ9ICuE6iYNPnStAY+vKOdHrbDx/d9nYQOb9e2xETSe4P0AYRL332VNrAO0Vw8oLxZGVXLD5uxFRCw== |
| 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
| 2026-10-29T20:42:07.778368Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000565observed fa366479b189a67618c2b65cf8196b17...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T20:42:07.713493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000565/manifest.jsonobserved c013f6a273d21f89c7d1567384dee974...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T20:42:07.662228Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000565/publication.mdobserved aaa64472aa152281ec0ffd37de56bb38...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T20:42:07.532554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000565/publication.txtobserved e6efff6ef7beded735d532a000f17527...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:40:29.303114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000565observed fa366479b189a67618c2b65cf8196b17...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:40:29.276210Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000565/manifest.jsonobserved c013f6a273d21f89c7d1567384dee974...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:40:29.263741Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000565/publication.txtobserved e6efff6ef7beded735d532a000f17527...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 |
|---|