OT-2026-000001370
Publication integrity record
End effector for welding components onto structures
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-2026-000001370) never changes.
Identity and time
| Publication number | OT-2026-000001370 · never reused |
|---|---|
| Internal UUID | 01a0a675-aec8-77d8-946f-00ea4573e9b8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:05:25.448619Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001370 |
| Status | PUBLIC |
Content hashes
| Canonical text | c413ecbd31d0e15bd051b6074c0b78437c8dcd1bb39b9f1d534a8a11de7b71b2 |
|---|---|
| Markdown | 60ea0052203b99bcd586b54bee51be974570449d43d1be7a6a868545fc432ce9 |
| Publication page | 02e463523142f0e5a0e2b0b91478b8a7e43384ce53b96a49a5eebdb6b1ccd48d |
| Manifest | ebbbcc2a1a1efce3c79df61b4a4753a67c2a0c1aaa205b326f106d3ecd295cc3 |
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 | AGfpXBpO/DhyiUZf3keuCWe8T+6cohL8OhvW0clhIOML6VpWKKU2qsfjemMWQsG7Xmlh6ee4lubujvnU19/9AA== |
| 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
| 2026-10-18T16:41:26.181963Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001370observed 02e463523142f0e5a0e2b0b91478b8a7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-18T16:41:26.044646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001370/manifest.jsonobserved ebbbcc2a1a1efce3c79df61b4a4753a6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T16:41:25.942205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001370/publication.mdobserved 60ea0052203b99bcd586b54bee51be97...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T16:41:25.721553Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001370/publication.txtobserved c413ecbd31d0e15bd051b6074c0b7843...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:24.281338Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001370observed 02e463523142f0e5a0e2b0b91478b8a7...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:24.247763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001370/manifest.jsonobserved ebbbcc2a1a1efce3c79df61b4a4753a6...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:24.234161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001370/publication.txtobserved c413ecbd31d0e15bd051b6074c0b7843...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 |
|---|