OT-2026-000002633
Publication integrity record
Floating control system for fixed displacement pump system
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-2026-000002633) never changes.
Identity and time
| Publication number | OT-2026-000002633 · never reused |
|---|---|
| Internal UUID | 01a0a67d-d685-7297-991f-92d8ff7eb062 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:14:19.909631Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002633 |
| Status | PUBLIC |
Content hashes
| Canonical text | 99ce525a730d5106c643ac37615ac5feec1b47045a52a2b3228773486d96ed50 |
|---|---|
| Markdown | 01cf49afaa6be907b054c0056f070b748f3120570732f61f28f6a24a97ef1832 |
| Publication page | 1453235d30ee180ad314e54e7e3de3476aa3aa8bd6a38778a444001965f35699 |
| Manifest | fd412051da5fb0860bf09a09f16620f0d3b65045a32ba9fb1ce448c3f54a9bad |
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 | Pf7RdY3WojcexzOjgGx2fP5X54srh1ZXn0SfmHk2M8HSkzyRWwsYq2jiG5aECONwMGzWPcZ+OlqbKxm3iClyCw== |
| 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
| 2026-09-15T19:30:22.935627Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002633observed 1453235d30ee180ad314e54e7e3de347...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:30:22.905261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002633/manifest.jsonobserved fd412051da5fb0860bf09a09f16620f0...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:22.891889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002633/publication.txtobserved 99ce525a730d5106c643ac37615ac5fe...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 |
|---|