OT-2026-000001317
Publication integrity record
System and methods for using drones in dispersed welding environments
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-2026-000001317) never changes.
Identity and time
| Publication number | OT-2026-000001317 · never reused |
|---|---|
| Internal UUID | 01a0a675-3b6b-7757-a66c-4618490bbd7d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:04:55.916370Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001317 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3ba5f46ba68152172b69bcca5cda0e7c6653c26b7f9577a1c2590bdb7872c139 |
|---|---|
| Markdown | d0aa05d2541b95c155da7c3adf1909d969393f0cf77ca5dc243f6098909f0b4f |
| Publication page | 1a81f7d6579ac031a4c7d2061a43a4c2c52192bdc172a6a0db7b4b18b04371a2 |
| Manifest | 39121e96b4140bbd17ff2f189dd6b80f764598c999fc63e9819f53bb1ed58b7b |
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 | Wu8bBKPgzKn/GKPk23RYOiLZgrt4VmvBcNq8sYD4OADJqhUvcElS/LxsyjsmV9O/JQrbUOduATnUamZHQfi6AA== |
| 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
| 2026-09-17T04:23:05.823885Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001317observed 1a81f7d6579ac031a4c7d2061a43a4c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T04:23:05.806717Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001317/manifest.jsonobserved 39121e96b4140bbd17ff2f189dd6b80f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:05.788499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001317/publication.mdobserved d0aa05d2541b95c155da7c3adf1909d9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:05.753404Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001317/publication.txtobserved 3ba5f46ba68152172b69bcca5cda0e7c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:30.764012Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001317observed 1a81f7d6579ac031a4c7d2061a43a4c2...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:30.732415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001317/manifest.jsonobserved 39121e96b4140bbd17ff2f189dd6b80f...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:30.718607Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001317/publication.txtobserved 3ba5f46ba68152172b69bcca5cda0e7c...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 |
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