OT-2026-000000329
Publication integrity record
Collaborative robot welding system
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-2026-000000329) never changes.
Identity and time
| Publication number | OT-2026-000000329 · never reused |
|---|---|
| Internal UUID | 01a0a673-3d37-7cef-b1c3-76f4dc566887 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:45.303597Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000329 |
| Status | PUBLIC |
Content hashes
| Canonical text | dc01d4490d2ae2c5a4a43864f5dfd70a7043a1069316ce02f7cd8e60ea70e8e5 |
|---|---|
| Markdown | fe544fa71919b469788889a22488a7f726dfd9b6e56e9b133d54939d52b237a6 |
| Publication page | 1061fc21715455314e177a7387557b464cace4a43617196bdd8ac4eafe953f7b |
| Manifest | 926e3f71c5f67ca16569e5ada16751d92a89681dc77963657405f7d6a080a11f |
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 | 9CxfBJNS7hvfsswq16/FeVSpf7X16D8DJsKdAOVowlhopnPw55QkXwOH6swENkLOmG2B2z5ikwNe/hdBEeY4Aw== |
| 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
| 2026-09-15T20:50:23.248011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000329observed 1061fc21715455314e177a7387557b46...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:50:23.095977Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000329/manifest.jsonobserved 926e3f71c5f67ca16569e5ada16751d9...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:23.083926Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000329/publication.txtobserved dc01d4490d2ae2c5a4a43864f5dfd70a...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 |
|---|