OT-2026-000002226
Publication integrity record
Industrial systems and methods for updating a safety program
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-2026-000002226) never changes.
Identity and time
| Publication number | OT-2026-000002226 · never reused |
|---|---|
| Internal UUID | 01a0a67b-53df-7d2f-b9d1-ce1317b09e31 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:11:35.391516Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002226 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4c0513236fb22fc9fa52dfd5b4ded9547e1c7ddaf4753aea7e05887b9302c688 |
|---|---|
| Markdown | f19d4d16cc1723e000f73ffbfa5e3f774e6d316a67aa90f92f2c7d85d85a9d1a |
| Publication page | be433582d62c24bcd1ebe10b7c8a576fb83c606a1e4f952578754882dbf9957f |
| Manifest | 1922ceb648e128a0fca01e4667381fdf19c317d4ee70d5ec7f3c0454f7bdd826 |
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 | fQxYqaOBxSWlE6kqQdHtUCQizOtYW+EiT/kZPd4yazbPpQEIYpf/SultMbMtZs5nAzdWl71DYSkGfJ5KaGRGBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-10-13T04:23:51.545548Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002226observed be433582d62c24bcd1ebe10b7c8a576f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T04:23:51.534056Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002226/manifest.jsonobserved 1922ceb648e128a0fca01e4667381fdf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:23:51.521501Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002226/publication.mdobserved f19d4d16cc1723e000f73ffbfa5e3f77...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:23:51.463277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002226/publication.txtobserved 4c0513236fb22fc9fa52dfd5b4ded954...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:11.410181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002226observed be433582d62c24bcd1ebe10b7c8a576f...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:11.381731Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002226/manifest.jsonobserved 1922ceb648e128a0fca01e4667381fdf...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:11.370305Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002226/publication.txtobserved 4c0513236fb22fc9fa52dfd5b4ded954...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. |
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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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