OT-2026-000000848
Publication integrity record
Hydrogen supervisory control and data acquisition 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-2026-000000848) never changes.
Identity and time
| Publication number | OT-2026-000000848 · never reused |
|---|---|
| Internal UUID | 01a0a673-e82e-719f-a497-8e15eb750486 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:29.070740Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000848 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6ba4b90a80d4f6ca4e741b034061a732fb0d5ebf36a190ba43b8178ddb366903 |
|---|---|
| Markdown | 8e05d30ffae4e26bf9c13796e4bbd19f1532c1025dd230b44743b5ead4437d9d |
| Publication page | 998efbc8c7d874f59a30fd9633beb14465835a3d30de818ae3b0291857f1b419 |
| Manifest | a8eec82b7904398c497d536161549817c71fc413470532e0e97aa9106dd24cc7 |
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 | dE+MHVmXMxemazuTiHDunhIR9cuzO8CAVMEYltqHgr2UMDqv/bmJb4IwmIJWx1rkanERdMO6Ap2Xyc6XbMQNDQ== |
| 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
| 2026-10-11T00:41:07.736942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000848observed 998efbc8c7d874f59a30fd9633beb144...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-11T00:41:07.661326Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000848/manifest.jsonobserved a8eec82b7904398c497d536161549817...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T00:41:07.580869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000848/publication.mdobserved 8e05d30ffae4e26bf9c13796e4bbd19f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T00:41:07.444574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000848/publication.txtobserved 6ba4b90a80d4f6ca4e741b034061a732...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:28.198149Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000848observed 998efbc8c7d874f59a30fd9633beb144...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:28.168470Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000848/manifest.jsonobserved a8eec82b7904398c497d536161549817...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:28.153458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000848/publication.txtobserved 6ba4b90a80d4f6ca4e741b034061a732...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 |
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