OT-2026-000001223
Publication integrity record
Conveyor belt thickness measurement systems and methods for detecting changes in conveyor belt thicknesses
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-2026-000001223) never changes.
Identity and time
| Publication number | OT-2026-000001223 · never reused |
|---|---|
| Internal UUID | 01a0a674-9c46-73d2-a38b-8f5d8e494247 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:04:15.175238Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001223 |
| Status | PUBLIC |
Content hashes
| Canonical text | 387f6fbd3e60b8b13fd258635a240eaad74553b0ddc9a68a992912c64a9a1486 |
|---|---|
| Markdown | aceba796c6a5e4b9c362441b60ef31728ce2ef41fc4591ee4644e5ae7dca18b8 |
| Publication page | 73be131e12467850aca838dc3cb561c69e32edf4e1f83b4e576bab4865998dee |
| Manifest | e4248351e80aaee7389288711a955289a2f0815d4742d978517099369b1a624e |
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 | tQktG3MTFyVnRBlMXPLhb8fzpHW6zPrvui0vTel0a0b3y1t1ETYNT38nhW3yZdwYhebjkt5UzK+fLaoibSYEDw== |
| 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
| 2026-09-17T04:23:12.738333Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001223observed 73be131e12467850aca838dc3cb561c6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T04:23:12.723957Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001223/manifest.jsonobserved e4248351e80aaee7389288711a955289...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:12.708572Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001223/publication.mdobserved aceba796c6a5e4b9c362441b60ef3172...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:12.692950Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001223/publication.txtobserved 387f6fbd3e60b8b13fd258635a240eaa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:42:11.526864Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001223observed 73be131e12467850aca838dc3cb561c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:42:11.302903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001223/manifest.jsonobserved e4248351e80aaee7389288711a955289...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:42:11.034121Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001223/publication.mdobserved aceba796c6a5e4b9c362441b60ef3172...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:42:10.688538Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001223/publication.txtobserved 387f6fbd3e60b8b13fd258635a240eaa...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 |
|---|