OT-2026-000002731
Publication integrity record
High-pressure spray nozzle assembly
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-2026-000002731) never changes.
Identity and time
| Publication number | OT-2026-000002731 · never reused |
|---|---|
| Internal UUID | 01a0a67e-6cfe-74aa-82e6-08c6613fcb31 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:14:58.431119Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002731 |
| Status | PUBLIC |
Content hashes
| Canonical text | cdc682d6d4e62e62233db9a06950425952c1cd754fae47cc03c2e838971fd896 |
|---|---|
| Markdown | a854938384c3774dde4180c32b77d8d6f01f8114a550c99262025d91892c7695 |
| Publication page | 00ef93d17a9371f1a55d31ea6e36bba3e012641e563bd207ed070986610925a3 |
| Manifest | cc9777cd595ddeb46581ad28fb65ae267759e9c435cdfced20bcf2b14d4b0a98 |
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 | u9OwybPuJvU4DkvhBaEnQE8y0F2IAjATzzIlqawf4U4UUqjQtEpS7/7eKHX/Q3ANaR0kca+xwved4DA8Ji0CDA== |
| 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
| 2026-09-15T19:30:11.187278Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002731observed 00ef93d17a9371f1a55d31ea6e36bba3...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:30:11.157561Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002731/manifest.jsonobserved cc9777cd595ddeb46581ad28fb65ae26...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:11.144970Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002731/publication.txtobserved cdc682d6d4e62e62233db9a069504259...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 |
|---|