OT-2026-000001691
Publication integrity record
Conveyor belt scraper blade and a method for manufacturing the same
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-2026-000001691) never changes.
Identity and time
| Publication number | OT-2026-000001691 · never reused |
|---|---|
| Internal UUID | 01a0a677-c48c-7056-80ab-11ff18b940de · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:07:42.093073Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001691 |
| Status | PUBLIC |
Content hashes
| Canonical text | 514861403dc437d00b67adac90f4ca34ecbd3c7fedc1974263909c011276f008 |
|---|---|
| Markdown | 89fa40bd77285006d54da4d84e0c70703c9689810db4603e4fee17586d7dc767 |
| Publication page | 73f82cb1d47c80eb50d5d17e9558ade02a91d6e54c8badb672d70c906bed8bbf |
| Manifest | 273716b9ba47b97ab62aa673b9ed6ec37f2c3183031cac1920b6cd25ed3d94e1 |
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 | BkyXYBUZW8ZMAZhfr1QXWfig8pKPvClUlVEuk01uvgToxuzuGG6M1awV6SnN9YX+LHWwRjxvyLjBVKY5PtVCAQ== |
| 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
| 2026-09-15T20:00:13.002011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001691observed 73f82cb1d47c80eb50d5d17e9558ade0...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:00:12.743040Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001691/manifest.jsonobserved 273716b9ba47b97ab62aa673b9ed6ec3...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:12.729267Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001691/publication.txtobserved 514861403dc437d00b67adac90f4ca34...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 |
|---|