OT-2026-000002553
Publication integrity record
Working platform hydraulic system and electric aerial work platform
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-2026-000002553) never changes.
Identity and time
| Publication number | OT-2026-000002553 · never reused |
|---|---|
| Internal UUID | 01a0a67d-5d1c-798c-820b-021cdb2efaf0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:13:48.828926Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002553 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7601226d002b2b28045b40d74aa10c8c756dcc5d7f1aed27339469320b424118 |
|---|---|
| Markdown | ab910b7da1040302be9018f631cbaf5fa6e12f342711de64a0daab5049bcd1a2 |
| Publication page | 51e419bd9dc443c2e4ce9232dad67c88a2ade75c16598c7f5c08a827a32d8052 |
| Manifest | 5a67b5928addb2a8963f5f67fe631981ae878860e6d9160e8ac9953dd921e1e2 |
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 | gW91qiA5rJP5OwpfEjJyeFsdiXaI5Rzd35XtWy2P/FARDxgRe8gx4Jc7VkYwdIANbBPEORMlAM+XtpE3C4TtAg== |
| 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
| 2026-10-06T12:41:05.472701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002553observed 51e419bd9dc443c2e4ce9232dad67c88...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-06T12:41:05.422587Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002553/manifest.jsonobserved 5a67b5928addb2a8963f5f67fe631981...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T12:41:05.374876Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002553/publication.mdobserved ab910b7da1040302be9018f631cbaf5f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T12:41:05.223515Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002553/publication.txtobserved 7601226d002b2b28045b40d74aa10c8c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:33.678337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002553observed 51e419bd9dc443c2e4ce9232dad67c88...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:33.625009Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002553/manifest.jsonobserved 5a67b5928addb2a8963f5f67fe631981...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:33.610993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002553/publication.txtobserved 7601226d002b2b28045b40d74aa10c8c...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 |
|---|