OT-2026-000003143
Publication integrity record
Load-holding brake valve
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-2026-000003143) never changes.
Identity and time
| Publication number | OT-2026-000003143 · never reused |
|---|---|
| Internal UUID | 01a0a693-896f-7a79-ba61-09b1f6508c22 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:38:01.967876Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003143 |
| Status | PUBLIC |
Content hashes
| Canonical text | 37919246acc3ff86c871a6ad8ced986c14855a09a25d8d2d2ec4b617692178c6 |
|---|---|
| Markdown | 2977a7f02a69319e6e414c82c0eb0caf7667a09f6f9bb20eb8c839c5f8a480e0 |
| Publication page | eef48afbedfcf7c95d6ed248b5213058a4ce4058fb93cea86b91c191c6d75da1 |
| Manifest | 51265c4e497efab879e21188bde881277e12a5b02ed261a9c8dc5fe9f59d1248 |
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 | 3b8c0DUK+oyPiMzfMhMvo0SSbXtzmBwwV6wB7jP41cT2+dB7HXHqiWOqmBW/7dTm2NyKgTTICoOEyqXTmS8/Bg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:47:02Z batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof root 713cd89b73be422b38f7894d4fb6a755... |
|---|
Independent retrieval
| 2026-09-15T19:40:03.745969Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003143observed eef48afbedfcf7c95d6ed248b5213058...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:40:03.713451Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003143/manifest.jsonobserved 51265c4e497efab879e21188bde88127...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:40:03.699682Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003143/publication.txtobserved 37919246acc3ff86c871a6ad8ced986c...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 |
|---|