OT-2026-000000403
Publication integrity record
Stud welding arrangement, a process of stud welding, and a construction from stud welding
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-2026-000000403) never changes.
Identity and time
| Publication number | OT-2026-000000403 · never reused |
|---|---|
| Internal UUID | 01a0a673-51d8-7aa7-86a9-431d1502c82b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:50.585450Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000403 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3edf2b8705d01a3b412c36b916dedc011de96fc40b9ccaaa4732a05177630a58 |
|---|---|
| Markdown | 76314ca49a8d6b84301084c73941a6d635d91106ee4762dbe7f0c2f460d7d1c6 |
| Publication page | 58a9d184d3d1521325e5b3b8ec9a7e2eb8337a77499f4148d6964869cbff957b |
| Manifest | 2e66e85cb24e63cae1b31ea4ed42aea6cb9e3a13407ec9e175e9a58a403d4495 |
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 | y/b5W6dRD7gg2Gi2KtbObmCk4/gmeGlCuYlbSlQ5hlFKXLEaRwXufHLKBWldD4eoy7x04PPUsKWp3K27QRVCBw== |
| 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
| 2026-10-19T00:41:34.025098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000403observed 58a9d184d3d1521325e5b3b8ec9a7e2e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-19T00:41:33.977448Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000403/manifest.jsonobserved 2e66e85cb24e63cae1b31ea4ed42aea6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T00:41:33.925817Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000403/publication.mdobserved 76314ca49a8d6b84301084c73941a6d6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T00:41:33.809356Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000403/publication.txtobserved 3edf2b8705d01a3b412c36b916dedc01...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:13.837659Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000403observed 58a9d184d3d1521325e5b3b8ec9a7e2e...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:13.802241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000403/manifest.jsonobserved 2e66e85cb24e63cae1b31ea4ed42aea6...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:13.790417Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000403/publication.txtobserved 3edf2b8705d01a3b412c36b916dedc01...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 |
|---|