OT-2026-000002644
Publication integrity record
Systems and methods to configure a robotic welding 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-2026-000002644) never changes.
Identity and time
| Publication number | OT-2026-000002644 · never reused |
|---|---|
| Internal UUID | 01a0a67d-e740-71cc-bedc-42d7ee8f2994 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:14:24.193582Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002644 |
| Status | PUBLIC |
Content hashes
| Canonical text | b2886d02e6d840c268c0687b10f15a4c4d900d7a6173d0afa1f19d6e3252e3dc |
|---|---|
| Markdown | dac3fddbda5ee551260d9c6d5e4da0e99e0a4615cb68ab1f5d4641ab40f5784b |
| Publication page | 7a6f7f83a96547b548d2c65f81556f3a3119b18bcff7620000e582c57dfa23b2 |
| Manifest | 64cf6d17a0dbf66bc61b5a2b8d7bd28240177e545d92db0bcf633adeb310b81b |
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 | 8rdtOhQzv08YZg0WUyRvCzzyvX7PtBOg/Sv742Gu86Fn3RZ1Rbjx+oRJqBVDBiQAObZ1R5wGn5UBsWGZcaidBg== |
| 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
| 2026-10-27T04:23:11.274646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002644observed 7a6f7f83a96547b548d2c65f81556f3a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-27T04:23:11.263106Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002644/manifest.jsonobserved 64cf6d17a0dbf66bc61b5a2b8d7bd282...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-27T04:23:11.251003Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002644/publication.mdobserved dac3fddbda5ee551260d9c6d5e4da0e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-27T04:23:11.181509Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002644/publication.txtobserved b2886d02e6d840c268c0687b10f15a4c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:21.679815Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002644observed 7a6f7f83a96547b548d2c65f81556f3a...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:21.649881Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002644/manifest.jsonobserved 64cf6d17a0dbf66bc61b5a2b8d7bd282...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:21.637284Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002644/publication.txtobserved b2886d02e6d840c268c0687b10f15a4c...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 |
|---|