OT-2026-000003141
Publication integrity record
Operation control device for three-joint excavator
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-2026-000003141) never changes.
Identity and time
| Publication number | OT-2026-000003141 · never reused |
|---|---|
| Internal UUID | 01a0a693-3369-7e49-8810-f44505d573ad · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:37:39.945674Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003141 |
| Status | PUBLIC |
Content hashes
| Canonical text | 723e45dd8f8c802884c9d57967c3ddd0ba4bb40827bb13aa9d6308464c0ea19d |
|---|---|
| Markdown | 991e40b8d27314c6cd05c17019243d13bc285ef27ddd56a52df027d5d6be7d75 |
| Publication page | da7e5d41a9559333ef2a962e7620f1ec92d741a6bb64a2bf7e5db752e5b50415 |
| Manifest | 7ae8bbf894c30ec10ce1dcd54d6c3c2aaf5643b1804b79ae88473e1a369c9948 |
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 | ug6bJte9XN0JjzURG2sdyMfAOl5JJva2PrxjzynBVJkxPhw15mwhxBb7wNJoaan37gJTvyZdLVSpq9YG1ak6DA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:47:02Z batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof root 713cd89b73be422b38f7894d4fb6a755... |
|---|
Independent retrieval
| 2026-09-16T16:42:24.663287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003141observed da7e5d41a9559333ef2a962e7620f1ec...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T16:42:24.448720Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003141/manifest.jsonobserved 7ae8bbf894c30ec10ce1dcd54d6c3c2a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:42:24.243658Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003141/publication.mdobserved 991e40b8d27314c6cd05c17019243d13...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:42:24.042683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003141/publication.txtobserved 723e45dd8f8c802884c9d57967c3ddd0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:40:03.990360Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003141observed da7e5d41a9559333ef2a962e7620f1ec...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:40:03.958836Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003141/manifest.jsonobserved 7ae8bbf894c30ec10ce1dcd54d6c3c2a...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:40:03.945789Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003141/publication.txtobserved 723e45dd8f8c802884c9d57967c3ddd0...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 |
|---|