OT-2026-000003186
Publication integrity record
Pipe laying attachment for hydraulic equipment
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-2026-000003186) never changes.
Identity and time
| Publication number | OT-2026-000003186 · never reused |
|---|---|
| Internal UUID | 01a0a69a-b1df-7e36-8f72-78d0348b642a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:45:51.071705Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003186 |
| Status | PUBLIC |
Content hashes
| Canonical text | f080e07fd382711837307a3b15b308cea8bf6a4fb8b06f0d6cd75d9d12c2cfae |
|---|---|
| Markdown | e9883253886c19f54fa6c3b0f568286c46eed07572e8f13e7b1929ad190d66d0 |
| Publication page | 89caa77f6a7d750c1d58aaa6818382753f879b841b95293a4da9b6814841d87c |
| Manifest | 22ba295882db06cff6dc57c69f4e2ef5ce9339cbc28bf88f605ecb7a4e5d8b57 |
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 | s+2YHjc6hH5/oEXaZlQkAqbP+1Qxd5PAqxwLSrQWP9RV4Z2E5ljhugXtaag9AUU7/+s7cgkf+/R4DngmYnTaBA== |
| 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
| 2026-09-15T19:50:04.812961Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003186observed 89caa77f6a7d750c1d58aaa681838275...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:50:04.663354Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003186/manifest.jsonobserved 22ba295882db06cff6dc57c69f4e2ef5...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:04.651141Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003186/publication.txtobserved f080e07fd382711837307a3b15b308ce...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 |
|---|