OT-2026-000002026
Publication integrity record
Welding robot 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-2026-000002026) never changes.
Identity and time
| Publication number | OT-2026-000002026 · never reused |
|---|---|
| Internal UUID | 01a0a67a-2258-7b64-b504-d6e85a101beb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:10:17.176757Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002026 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6dd5e9eafbf22ee4a4155d53abb149e642a401b0abb5b3504ddbace0d5fec9c7 |
|---|---|
| Markdown | d575e9e5a92528767f8c2195b4e929f0c4061461f72eb4135b721e8f76da8b63 |
| Publication page | 26c8ebaf7758228f490139b7ddb517a8ed7566cde35afeaf833bbf1473416632 |
| Manifest | 653c5061072914dd21c1e736683384b02f3618ab2a9f788c88efd6709ac1961d |
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 | dUUfn/U7bQRq/s328vxPUn3EjSNEkgP3VkWl6krUbCr3BkpbJR8I4PM9C8eykWJjtJwXaXxt1bMcCZGROILEAw== |
| 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
| 2026-10-24T04:23:39.009508Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002026observed 26c8ebaf7758228f490139b7ddb517a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T04:23:38.997129Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002026/manifest.jsonobserved 653c5061072914dd21c1e736683384b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:23:38.985019Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002026/publication.mdobserved d575e9e5a92528767f8c2195b4e929f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:23:38.947620Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002026/publication.txtobserved 6dd5e9eafbf22ee4a4155d53abb149e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:33.623557Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002026observed 26c8ebaf7758228f490139b7ddb517a8...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:33.594182Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002026/manifest.jsonobserved 653c5061072914dd21c1e736683384b0...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:33.582100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002026/publication.txtobserved 6dd5e9eafbf22ee4a4155d53abb149e6...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 |
|---|