OT-2026-000000426
Publication integrity record
Smart valve monitoring system and method
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-2026-000000426) never changes.
Identity and time
| Publication number | OT-2026-000000426 · never reused |
|---|---|
| Internal UUID | 01a0a673-584b-7a92-a775-dcf8fb7beb37 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:52.236194Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000426 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6a4fbebeec0843baa7ad981b78501ec7ce59c29973a07f64720af8b80b2a9f93 |
|---|---|
| Markdown | dae4a32f1b6e78295644298c9e20506bce770d0ea0e69e1bb94c24546f01dced |
| Publication page | 6f97495e9e6f0eeca70ec76cfa13925ffefff097091f26422e2d24ec89b6db16 |
| Manifest | b65c1414d3c0db7c698a7e63a87841f523757cd741180f03804e83192997b85a |
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 | BNwdECqoxbvm10znE27mq6hB4RYruupMZkiTdVjJxhns/p9oVDHQbsqXdRat5UuuNRutSP89qQpa29zMhLGaAQ== |
| 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
| 2026-10-11T12:41:39.190899Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000426observed 6f97495e9e6f0eeca70ec76cfa13925f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-11T12:41:39.091254Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000426/manifest.jsonobserved b65c1414d3c0db7c698a7e63a87841f5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T12:41:38.988303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000426/publication.mdobserved dae4a32f1b6e78295644298c9e20506b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T12:41:38.697122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000426/publication.txtobserved 6a4fbebeec0843baa7ad981b78501ec7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:11.250124Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000426observed 6f97495e9e6f0eeca70ec76cfa13925f...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:11.096089Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000426/manifest.jsonobserved b65c1414d3c0db7c698a7e63a87841f5...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:11.083989Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000426/publication.txtobserved 6a4fbebeec0843baa7ad981b78501ec7...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 |
|---|