OT-2026-000002750
Publication integrity record
Self-propelled operating machine equipped with an improved cabin
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-2026-000002750) never changes.
Identity and time
| Publication number | OT-2026-000002750 · never reused |
|---|---|
| Internal UUID | 01a0a67e-8c35-7453-b97c-f84e698978bc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:15:06.421843Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002750 |
| Status | PUBLIC |
Content hashes
| Canonical text | 21309a86c9bd1bc6ec5350f180859ff13034165347d3b430a009e3f4dbc0d5ad |
|---|---|
| Markdown | a1f7b320ca2bc44324f7945aebfcdd93e967849adf469b3a18ea5d704927727b |
| Publication page | bc2bb38369a20b22bddfc1d5b0defee0a7eb11ecfd9472dd97b4a3ab67ebd791 |
| Manifest | 4290617334d85a34ef00ca6b86082bdd3a06bc8a8dceca3ee3c94171a7b48b67 |
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 | SGQSMZcDlR+fWy6f65R5wp8Cy9kk/F6IYWazmmGjF44yHaqFlZkCJn9G8zEylZZHeqiB2nT75ogMDfLngg6/Cg== |
| 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
| 2026-09-29T04:42:06.178061Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002750observed bc2bb38369a20b22bddfc1d5b0defee0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-29T04:42:06.120751Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002750/manifest.jsonobserved 4290617334d85a34ef00ca6b86082bdd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:42:06.048683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002750/publication.mdobserved a1f7b320ca2bc44324f7945aebfcdd93...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:42:05.973651Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002750/publication.txtobserved 21309a86c9bd1bc6ec5350f180859ff1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:09.085171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002750observed bc2bb38369a20b22bddfc1d5b0defee0...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:08.934324Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002750/manifest.jsonobserved 4290617334d85a34ef00ca6b86082bdd...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:08.921747Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002750/publication.txtobserved 21309a86c9bd1bc6ec5350f180859ff1...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 |
|---|