OT-2026-000000402
Publication integrity record
Method and apparatus for minimizing gas usage in gas shielded industrial processes
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-2026-000000402) never changes.
Identity and time
| Publication number | OT-2026-000000402 · never reused |
|---|---|
| Internal UUID | 01a0a673-5194-7955-9ac4-14c880a44b45 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:50.516669Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000402 |
| Status | PUBLIC |
Content hashes
| Canonical text | f4b6a8ee1c6e5ee8d42aaabbe3587aca87e6a269e9298d3c22a919958a8e2294 |
|---|---|
| Markdown | dcab9d359fce9d4a93b9c20ffca275f76a6e0bad153d75c6957c0ddff3b09b67 |
| Publication page | 43a0a7f7ff967e76cdfd172277f24552c892be288ee1afd276fb04c4530464f5 |
| Manifest | b39ac0d0a79131b268d71ecfd517e1e954f78374734ab8d08688d429b061d002 |
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 | 0RaSYLbmQJ+9dWeRSbgeKjMczOzP3xioqAqTkAJjf2/14Ge0X/dM4WiX1Oz4d/TkopFBxYm/LkutAlLnAf3wBA== |
| 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
| 2026-09-15T20:50:14.019783Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000402observed 43a0a7f7ff967e76cdfd172277f24552...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:50:13.988222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000402/manifest.jsonobserved b39ac0d0a79131b268d71ecfd517e1e9...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:13.851002Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000402/publication.txtobserved f4b6a8ee1c6e5ee8d42aaabbe3587aca...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 |
|---|