OT-2026-000000126
Publication integrity record
Detector device, for measuring the calibre of ceramic tiles or slabs
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-2026-000000126) never changes.
Identity and time
| Publication number | OT-2026-000000126 · never reused |
|---|---|
| Internal UUID | 01a0a673-0578-7bad-bac8-9c0828796251 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:31.033349Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000126 |
| Status | PUBLIC |
Content hashes
| Canonical text | a387a6c86a149174ba4ba2e061a88f20594856985eae113bd2dea4c8863d9c85 |
|---|---|
| Markdown | 653fb5d3ae14918793dd038c50406cceb5ffdb56d12d5cd1a6bdc0a229624b86 |
| Publication page | 6b909ece1a2081e4d6c10382ba428f80c3bf9cf375f91ba56e3d580543a519c9 |
| Manifest | a337ef2325658cfefb4b56b772a430c6d5f5570d35e9c104c678fad6ba82bc3a |
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 | vnrqwr4QGNel+mIqBmQ6L7JqWu2KjITntdlhzm2NnEORoJ/S3IO6RE61kRJkuEsfbJ6OABQZuyn3smOlnRK+AQ== |
| 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
| 2026-09-17T04:42:03.704069Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000126observed 6b909ece1a2081e4d6c10382ba428f80...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T04:42:03.574234Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000126/manifest.jsonobserved a337ef2325658cfefb4b56b772a430c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:42:03.232057Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000126/publication.mdobserved 653fb5d3ae14918793dd038c50406cce...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:42:02.748796Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000126/publication.txtobserved a387a6c86a149174ba4ba2e061a88f20...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:36.881677Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000126observed 6b909ece1a2081e4d6c10382ba428f80...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:36.766231Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000126/manifest.jsonobserved a337ef2325658cfefb4b56b772a430c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:36.653941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000126/publication.mdobserved 653fb5d3ae14918793dd038c50406cce...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:36.491255Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000126/publication.txtobserved a387a6c86a149174ba4ba2e061a88f20...fetched by grabo-systems from 34.44.131.203, 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 |
|---|