OT-2026-000000187
Publication integrity record
Lift device with robotic welding attachment innovations
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-2026-000000187) never changes.
Identity and time
| Publication number | OT-2026-000000187 · never reused |
|---|---|
| Internal UUID | 01a0a673-1618-7baa-90fe-9305307cc075 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:35.288484Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000187 |
| Status | PUBLIC |
Content hashes
| Canonical text | eb885c513a760b95642a825a106fe4df15fafb6193c1ec68f5e1fc0e8fc281e1 |
|---|---|
| Markdown | ee604f51441819cf142e7350bb7cb2357f77c5822a912f93ffd4c33489f2a9cf |
| Publication page | 9a1c437eb4f2d5243a4311035ae1515f2fab3373b0b3e7ddd533f92acc2c67e6 |
| Manifest | 29b551143fc8a4de75104a1ff0df4e148f5f21cee397cdbf8cfce9b31c4886bf |
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 | V5EaFWA+w64bdFZ097ElApdw5YafJ4AXG4uuYk8GbP++ma5IGR+sJGWFf8yPpSQweayQzpuGucP5grHKoxepAQ== |
| 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
| 2026-10-11T08:41:24.393818Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000187observed 9a1c437eb4f2d5243a4311035ae1515f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-11T08:41:24.305222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000187/manifest.jsonobserved 29b551143fc8a4de75104a1ff0df4e14...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T08:41:24.192633Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000187/publication.mdobserved ee604f51441819cf142e7350bb7cb235...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T08:41:23.993658Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000187/publication.txtobserved eb885c513a760b95642a825a106fe4df...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:17.588859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000187observed 9a1c437eb4f2d5243a4311035ae1515f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:17.574646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000187/manifest.jsonobserved 29b551143fc8a4de75104a1ff0df4e14...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:17.559426Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000187/publication.mdobserved ee604f51441819cf142e7350bb7cb235...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:17.545461Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000187/publication.txtobserved eb885c513a760b95642a825a106fe4df...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 |
|---|