OT-2026-000000415
Publication integrity record
Systems and methods for a hydraulic tool
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-2026-000000415) never changes.
Identity and time
| Publication number | OT-2026-000000415 · never reused |
|---|---|
| Internal UUID | 01a0a673-552e-7b87-8006-c288b9c85a8c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:51.438488Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000415 |
| Status | PUBLIC |
Content hashes
| Canonical text | bf3247ffbbef09a0a5ee9bb939ca63d3d4f15ad78f5492a8d16f80985e3b657f |
|---|---|
| Markdown | 8d2e4b8ca16476f9bd084b6bc1f4c81522cc10b543102d89d5168ad4e78742e6 |
| Publication page | 087ce1c60cc2ced8f4a69e390e06803ed2258ca33e7b7748151d9bcc3d124b74 |
| Manifest | 99772e9e8b7347d574f16b3d038ae52a91ddd1f25c035ed0479cb468a5c23d5f |
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 | LfndWgJsqFjWen7dWmGgE4XynNYhRljgbx1e+UXHEdLO9ikoJNXcK3bLPzlgWX1w6AswoIgpwDaOgpKKex+/AA== |
| 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
| 2026-09-15T20:50:12.516536Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000415observed 087ce1c60cc2ced8f4a69e390e06803e...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:50:12.487479Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000415/manifest.jsonobserved 99772e9e8b7347d574f16b3d038ae52a...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:12.350613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000415/publication.txtobserved bf3247ffbbef09a0a5ee9bb939ca63d3...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 |
|---|