OT-2026-000000681
Publication integrity record
Brake body for a transportation vehicle and method for producing a brake body
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-2026-000000681) never changes.
Identity and time
| Publication number | OT-2026-000000681 · never reused |
|---|---|
| Internal UUID | 01a0a673-b120-7dc0-a980-b6a64cc2eeb3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:14.976407Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000681 |
| Status | PUBLIC |
Content hashes
| Canonical text | 698cb9dd5a9089b3c43e3c9aed32e2eeb98d6d058398b2be56957de243fb4fc1 |
|---|---|
| Markdown | c1dde4b2556703c4557c71d7ac171afc8c0c8a94f6aeaca28dfb43d10edd8c6f |
| Publication page | 2d26ca3ce749f866d81a8a4e95c350d5270d634b4f03af7bb038ee2b9546cf64 |
| Manifest | 0a30492c084b44b96463ea860ff32e94c7b15855f52270c1c10baae10385c462 |
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 | KW9R4YzS6VW/4C87LEe4oZ/wgVzsvkMc/3Yh/Jj03rxlT6jws9vEPKIIfx03q74K4dExgdyejWLIKr8D8GA0Dg== |
| 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
| 2026-10-10T04:42:01.899083Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000681observed 2d26ca3ce749f866d81a8a4e95c350d5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-10T04:42:01.807318Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000681/manifest.jsonobserved 0a30492c084b44b96463ea860ff32e94...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T04:42:01.667016Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000681/publication.mdobserved c1dde4b2556703c4557c71d7ac171afc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T04:42:01.568149Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000681/publication.txtobserved 698cb9dd5a9089b3c43e3c9aed32e2ee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:14.098506Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000681observed 2d26ca3ce749f866d81a8a4e95c350d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:14.084432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000681/manifest.jsonobserved 0a30492c084b44b96463ea860ff32e94...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:14.069563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000681/publication.mdobserved c1dde4b2556703c4557c71d7ac171afc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:14.026844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000681/publication.txtobserved 698cb9dd5a9089b3c43e3c9aed32e2ee...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 |
|---|