OT-2026-000002907
Publication integrity record
Workpiece holding device and inspection device comprising workpiece holding device
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-2026-000002907) never changes.
Identity and time
| Publication number | OT-2026-000002907 · never reused |
|---|---|
| Internal UUID | 01a0a67f-70ca-7a54-b7fd-b6c4943c8b82 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:16:04.938761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002907 |
| Status | PUBLIC |
Content hashes
| Canonical text | d3c7d30577f90761dc6babe8d6b16d173f687b24d489f3f5351233948fdceb88 |
|---|---|
| Markdown | fa09d61f167e148938cd479ce5402ed7568df716d331e020dac93f32279276c1 |
| Publication page | d3c0b5dfb64cb44e9ffed7a9896954b522d2546d7b324d0ceb18aee25b870915 |
| Manifest | fd47b22bf68ac4865e23d2d9eec063939d97f53d7e20906f1c1fc6cbd52aaee9 |
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 | w2YZYX63++C1TdxOGqWbURDbR/DDThZU3bYw10su5Q+GOJYw3KCIukU0sK82DU5vvJKDlq7XF+75XrvMhtsaAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-10-04T16:41:25.036409Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002907observed d3c0b5dfb64cb44e9ffed7a9896954b5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-04T16:41:24.992333Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002907/manifest.jsonobserved fd47b22bf68ac4865e23d2d9eec06393...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T16:41:24.949359Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002907/publication.mdobserved fa09d61f167e148938cd479ce5402ed7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T16:41:24.801724Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002907/publication.txtobserved d3c7d30577f90761dc6babe8d6b16d17...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:20:20.670307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002907observed d3c0b5dfb64cb44e9ffed7a9896954b5...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:20:20.632999Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002907/manifest.jsonobserved fd47b22bf68ac4865e23d2d9eec06393...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:20:20.562013Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002907/publication.txtobserved d3c7d30577f90761dc6babe8d6b16d17...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 |
|---|