OT-2026-000000614
Publication integrity record
Determination and alleviation of root causes for emission of pollutants from vehicles
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-2026-000000614) never changes.
Identity and time
| Publication number | OT-2026-000000614 · never reused |
|---|---|
| Internal UUID | 01a0a673-9c86-7744-94bc-7bc53a3f7a1c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:09.702672Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000614 |
| Status | PUBLIC |
Content hashes
| Canonical text | 96b78065bf641220560fea21649838ca0dd443c98beb5084686693483dcfc8a8 |
|---|---|
| Markdown | 2e6ed6dd1ad3a8f925df6aaa753c05933dddee9155cd8386f6ef6aed23e6d4d1 |
| Publication page | 40fb05faf59b1d7ae8e631b4c057e8cc561ec7d3b46da8bb775cd9b34900a9ca |
| Manifest | 981480fc332484a2ea5a9e433024ce7c094ce116d4869c15c9ad7dd7d475b9e9 |
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 | UJ8j1W3IK7j4kPabWZrC4rItMVFytltCorLvnr94KNQFqNe266MUHSy//5Zp9qMuyltIW1+DogcAUprU6MDAAw== |
| 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
| 2026-10-16T12:41:21.011161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000614observed 40fb05faf59b1d7ae8e631b4c057e8cc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-16T12:41:20.929385Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000614/manifest.jsonobserved 981480fc332484a2ea5a9e433024ce7c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T12:41:20.883603Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000614/publication.mdobserved 2e6ed6dd1ad3a8f925df6aaa753c0593...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T12:41:20.800787Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000614/publication.txtobserved 96b78065bf641220560fea21649838ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T04:41:35.109312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000614observed 40fb05faf59b1d7ae8e631b4c057e8cc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T04:41:35.039549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000614/manifest.jsonobserved 981480fc332484a2ea5a9e433024ce7c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T04:41:34.967880Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000614/publication.mdobserved 2e6ed6dd1ad3a8f925df6aaa753c0593...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T04:41:34.841398Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000614/publication.txtobserved 96b78065bf641220560fea21649838ca...fetched by grabo-systems from 34.44.131.203, 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 |
|---|