OT-2026-000003075
Publication integrity record
Pipe loading device for a directional drilling apparatus
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-2026-000003075) never changes.
Identity and time
| Publication number | OT-2026-000003075 · never reused |
|---|---|
| Internal UUID | 01a0a686-5e0b-79b8-b29a-5f493f780597 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:23:38.891773Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003075 |
| Status | PUBLIC |
Content hashes
| Canonical text | 068f69927611e3b7b4ff1ed0ab412055f012c6fc70bfdf29efe79e5bc6ce956c |
|---|---|
| Markdown | 70189b40accd7d610a1146eda7db719b9664e2cbccfd832d8970628f6f663cd1 |
| Publication page | c11a63fd8daf3479bf7812a93c371e1e75242159ebc28ebe04031f2c03fc1c15 |
| Manifest | 8fe5bd7a6acafe3b934d229e0b9a3e5106a109b80fe0cc9bb9a3992e9e2447c9 |
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 | +CgLrhgKT/0dEiLcG366bXrWkPjzHRkrPHKcc/Rg8ZM/h6BYXqwXOgsZf36A9HZiY9EkgEUo9o3QslcE2hMkDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-09-15T19:30:06.101457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003075observed c11a63fd8daf3479bf7812a93c371e1e...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:30:06.074160Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003075/manifest.jsonobserved 8fe5bd7a6acafe3b934d229e0b9a3e51...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:05.938128Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003075/publication.txtobserved 068f69927611e3b7b4ff1ed0ab412055...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 |
|---|