OT-2026-000000179
Publication integrity record
Drum brake, brake system, and 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-2026-000000179) never changes.
Identity and time
| Publication number | OT-2026-000000179 · never reused |
|---|---|
| Internal UUID | 01a0a673-1406-71ef-996b-7cd380452242 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:34.759300Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000179 |
| Status | PUBLIC |
Content hashes
| Canonical text | aa75044f94f4f200d87f30d33de4b5c1691898cfb899e4f9195b004cbacfbf2b |
|---|---|
| Markdown | e824a686e07aa0131275dc863267c56bad42d3022d364db37ee840b02d673895 |
| Publication page | cfa1bbd24edd12e9a0da3e00c561e5f1a5d781d5bf1442334514bf5f6c00f72e |
| Manifest | a6fc0e061aa5b6802a868a28bdcd85af793f578e4b8ef33b322cc97fa2cb523e |
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 | Z/cvJJ8DeohAvn68M/qbNKXcUm4L9qhEk8WZuLzAY2ce+o5lhDlqdPW4lNT8egrN8cpSb8fKcltORojDQrdTBw== |
| 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
| 2026-10-20T04:41:54.306206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000179observed cfa1bbd24edd12e9a0da3e00c561e5f1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T04:41:54.235251Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000179/manifest.jsonobserved a6fc0e061aa5b6802a868a28bdcd85af...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:41:54.163510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000179/publication.mdobserved e824a686e07aa0131275dc863267c56b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:41:53.994751Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000179/publication.txtobserved aa75044f94f4f200d87f30d33de4b5c1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T21:00:02.617718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000179observed cfa1bbd24edd12e9a0da3e00c561e5f1...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T21:00:02.586765Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000179/manifest.jsonobserved a6fc0e061aa5b6802a868a28bdcd85af...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T21:00:02.569298Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000179/publication.txtobserved aa75044f94f4f200d87f30d33de4b5c1...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 |
|---|