OT-2026-000003217
Publication integrity record
Hydraulic boom platform leveling 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-2026-000003217) never changes.
Identity and time
| Publication number | OT-2026-000003217 · never reused |
|---|---|
| Internal UUID | 01a0a69f-a5bd-7afe-84df-fae11b652b31 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:51:15.645982Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003217 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7b1c0aca9d536865e246a115a793d955f779f57008c0fad82b9a593fc2cfbe7e |
|---|---|
| Markdown | b6b00941f638da215dceeb6ca5ec7214f41ef45b9e2700160808410724c76d7e |
| Publication page | dcfb0cb2ef2107ac33577de7900b79e49ad04cb4410ac0a86928af0b1b2fd6fe |
| Manifest | 03107f00ef27e7ff829295c55490e781626615216557823a88095eeaa14cfd27 |
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 | 2vNj+/3v4R2GCjvqXGoWFstuXIz/mcgkq3CTNUeJ+91LQUmwp9HfzM4CDz79QSybxqq1xwfgx95m6e1+f/L1Aw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:07:03Z batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof root d42f3e627490c26ffd144bf37543fecf... |
|---|
Independent retrieval
| 2026-09-15T20:00:09.910704Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003217observed dcfb0cb2ef2107ac33577de7900b79e4...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:00:09.879513Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003217/manifest.jsonobserved 03107f00ef27e7ff829295c55490e781...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:09.742105Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003217/publication.txtobserved 7b1c0aca9d536865e246a115a793d955...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 |
|---|