OT-2026-000000234
Publication integrity record
Valve element, method for operating the valve element, and process valve
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-2026-000000234) never changes.
Identity and time
| Publication number | OT-2026-000000234 · never reused |
|---|---|
| Internal UUID | 01a0a673-22ab-784c-9cdd-b174778b30fb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:38.508421Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000234 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0943da362a2eea57182a083bcca1ef32e213a75705e9eed403ecdc9fd653ecc9 |
|---|---|
| Markdown | edecd4a40b4612c4e77a02f58c141269daca07a4a832d5b6b5b49780685078c1 |
| Publication page | 46fa1eeacd73ec095614764bd2b7b1b32a55194b8c98e94c1964a93e089facd4 |
| Manifest | ec6d95252ee5e4d9e05942b9883e260faf8684ec7ec619a358e6184eb751ea02 |
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 | JGaKpaB5KL/J+pPYJoVL2F7ttk10u4CAVNQHi6sta/d4pYPIZR2iCbEQwGQnlPaTIdh4m+s2rfvXLE/ipPV3BA== |
| 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
| 2026-10-18T12:41:15.817293Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000234observed 46fa1eeacd73ec095614764bd2b7b1b3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-18T12:41:15.761100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000234/manifest.jsonobserved ec6d95252ee5e4d9e05942b9883e260f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T12:41:15.693432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000234/publication.mdobserved edecd4a40b4612c4e77a02f58c141269...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T12:41:15.575652Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000234/publication.txtobserved 0943da362a2eea57182a083bcca1ef32...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T00:42:00.023226Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000234observed 46fa1eeacd73ec095614764bd2b7b1b3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T00:41:59.548849Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000234/manifest.jsonobserved ec6d95252ee5e4d9e05942b9883e260f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T00:41:59.251179Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000234/publication.mdobserved edecd4a40b4612c4e77a02f58c141269...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T00:41:58.866599Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000234/publication.txtobserved 0943da362a2eea57182a083bcca1ef32...fetched by grabo-systems from 34.44.131.203, 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 |
|---|