OT-2026-000000381
Publication integrity record
Using pressure to monitor position of components on a control 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-2026-000000381) never changes.
Identity and time
| Publication number | OT-2026-000000381 · never reused |
|---|---|
| Internal UUID | 01a0a673-4ba1-7185-8373-4f146e7bfa3c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:48.994045Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000381 |
| Status | PUBLIC |
Content hashes
| Canonical text | 43a682f6b401a8fa06356102676920b561d9bc18a8e8bd422737d5c8599f02f8 |
|---|---|
| Markdown | fdd8cbd9d893d0cdcf936df2f1763694c8eef4105457c25380aaddd004bd8d03 |
| Publication page | 3c9226dfa83380d234b7f61479639426ff0420f63d1940a401c8ad7acf1a1277 |
| Manifest | 5769c16a9781a552f4336a04813b345baf67ca45d05a409221fc6203a0f260f3 |
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 | kkVHyYP43ciaCInhGBAsVkXvPcqbtXAU6tK1Otr/e37Vi3KG7X5lRO/pwOIWjbadn2cXfOe4vKVUbO/w8R4QAA== |
| 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
| 2026-09-18T04:43:12.021715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000381observed 3c9226dfa83380d234b7f61479639426...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-18T04:43:11.473165Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000381/manifest.jsonobserved 5769c16a9781a552f4336a04813b345b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T04:43:11.008488Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000381/publication.mdobserved fdd8cbd9d893d0cdcf936df2f1763694...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T04:43:10.740456Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000381/publication.txtobserved 43a682f6b401a8fa06356102676920b5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:16.509796Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000381observed 3c9226dfa83380d234b7f61479639426...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:16.355710Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000381/manifest.jsonobserved 5769c16a9781a552f4336a04813b345b...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:16.337784Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000381/publication.txtobserved 43a682f6b401a8fa06356102676920b5...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 |
|---|