OT-2026-000000594
Publication integrity record
Conduit system for handheld laser welder
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-2026-000000594) never changes.
Identity and time
| Publication number | OT-2026-000000594 · never reused |
|---|---|
| Internal UUID | 01a0a673-9572-7f82-b7bb-67844cf966bf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:07.891101Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000594 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3a4650f44bde86313598d7248efadb409d3b96011d06219f26ce06c2e9ec84c7 |
|---|---|
| Markdown | c057de339374caaa9748ca1c059734257016b2b43bf1345887a26644552b1548 |
| Publication page | 3d439f8372130c5dea4164f80b1cb5254bdf555d0f47cbb24ba2f9ecca3900c2 |
| Manifest | 15c27ce564ec2eca8e15e69f63fdf28a5af801dfa1710d593ee2e678100d7d51 |
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 | 6bFAdxc8OKRh7Fbked8yHGh12nB9ETTFruuHr7b0jOt3sXDjl00XXGbqFn61DON7AweY+2OVOhV0xkhY692VDA== |
| 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
| 2026-10-24T16:41:26.254186Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000594observed 3d439f8372130c5dea4164f80b1cb525...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T16:41:26.206748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000594/manifest.jsonobserved 15c27ce564ec2eca8e15e69f63fdf28a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T16:41:26.158687Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000594/publication.mdobserved c057de339374caaa9748ca1c05973425...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T16:41:26.029467Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000594/publication.txtobserved 3a4650f44bde86313598d7248efadb40...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:08.173147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000594observed 3d439f8372130c5dea4164f80b1cb525...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:08.158144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000594/manifest.jsonobserved 15c27ce564ec2eca8e15e69f63fdf28a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:08.143283Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000594/publication.mdobserved c057de339374caaa9748ca1c05973425...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:08.126177Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000594/publication.txtobserved 3a4650f44bde86313598d7248efadb40...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|