OT-2026-000000831
Publication integrity record
Belt slip measurement 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-2026-000000831) never changes.
Identity and time
| Publication number | OT-2026-000000831 · never reused |
|---|---|
| Internal UUID | 01a0a673-e2e7-7f63-8153-2c9297693364 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:27.719859Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000831 |
| Status | PUBLIC |
Content hashes
| Canonical text | ddfb5f91d3433e481e4929f3a50451f1d53f43a64a2355dd86be294e9031969f |
|---|---|
| Markdown | d09b72d7393e2bd61114195022cfa402a53b06c5d419267d1edaf2465b431d4a |
| Publication page | f53857dda12f788035f09dbe2375f9287ff784df8c37586d00cedc1d2693f40d |
| Manifest | 6abab3929dc24f28bb66b015ccaf73a1be339102908ad04c5b9eeccb7800ae29 |
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 | TUCz0r0KKlab24/HBBYie8WfrXUq9O98iiUFqd+4642lEQHwLBN4UYNVDObbuQ14TRzpXEBwdCN52ccbnl+8BA== |
| 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
| 2026-10-23T20:41:20.057552Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000831observed f53857dda12f788035f09dbe2375f928...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T20:41:20.006965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000831/manifest.jsonobserved 6abab3929dc24f28bb66b015ccaf73a1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T20:41:19.959266Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000831/publication.mdobserved d09b72d7393e2bd61114195022cfa402...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T20:41:19.817930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000831/publication.txtobserved ddfb5f91d3433e481e4929f3a50451f1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:42:13.289082Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000831observed f53857dda12f788035f09dbe2375f928...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:42:13.149716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000831/manifest.jsonobserved 6abab3929dc24f28bb66b015ccaf73a1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:42:13.025867Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000831/publication.mdobserved d09b72d7393e2bd61114195022cfa402...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:42:12.799103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000831/publication.txtobserved ddfb5f91d3433e481e4929f3a50451f1...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 |
|---|