OT-2026-000000883
Publication integrity record
Opto-electric system of enhanced operator control station protection
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-2026-000000883) never changes.
Identity and time
| Publication number | OT-2026-000000883 · never reused |
|---|---|
| Internal UUID | 01a0a673-f4f7-724d-a429-eef1d10c7f0b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:32.344332Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000883 |
| Status | PUBLIC |
Content hashes
| Canonical text | c25ee554f2218730751453ce3907992f88264bb28eaf0753ddd646e7dae1117a |
|---|---|
| Markdown | 37c78a7eff9a36bc320b9d1a67d2f4021ceb93936de79308b3aa9bea613a923f |
| Publication page | c1b82b659e8c1727edc9c5ee1c0826658f36c185530bb5143ed83760878ae580 |
| Manifest | 499f3bfb375e6e97df20013e64a9038227ad0f26a72e159449b049d0506f8358 |
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 | xJkTNToe/bXsodjDXWcoQ12wnE8ZxsDvQoRAQk+J262lG262vBMfuC17wAoZIFcuxTQm0+y3CAQGtM/r03BWCw== |
| 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
| 2026-10-22T00:41:17.053418Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000883observed c1b82b659e8c1727edc9c5ee1c082665...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T00:41:16.979289Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000883/manifest.jsonobserved 499f3bfb375e6e97df20013e64a90382...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T00:41:16.905931Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000883/publication.mdobserved 37c78a7eff9a36bc320b9d1a67d2f402...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T00:41:16.752693Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000883/publication.txtobserved c25ee554f2218730751453ce3907992f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T16:42:08.118080Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000883observed c1b82b659e8c1727edc9c5ee1c082665...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T16:42:07.982807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000883/manifest.jsonobserved 499f3bfb375e6e97df20013e64a90382...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T16:42:07.840719Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000883/publication.mdobserved 37c78a7eff9a36bc320b9d1a67d2f402...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T16:42:07.725415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000883/publication.txtobserved c25ee554f2218730751453ce3907992f...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 |
|---|