OT-2026-000001435
Publication integrity record
Battery operated lift jack for railways
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-2026-000001435) never changes.
Identity and time
| Publication number | OT-2026-000001435 · never reused |
|---|---|
| Internal UUID | 01a0a676-0c6b-7304-9459-330e0ce5cae8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:05:49.419367Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001435 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7aa6cca7fc92ce280d8664348109b0d2e703781f96c4c40318eadb18146bcfd8 |
|---|---|
| Markdown | 53322d4dcad33742395a3fe240aa6befe019106a2ca64a1084d726b0fa7d7632 |
| Publication page | fc99fa6d89aa1db7ca28249b835fcfb8bb72de4f663149691e684c41217da00b |
| Manifest | 154c86ea21c1d0449ae565c36b6dc26a7c20be6a1b2389044ff7b9fcf6c51f54 |
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 | DNftXIEDtFntROMm+CbBIl8GnwrRSNbKcYh0DzFlDbYyHev+qWzU29SBDmND5JvEcr8ck0YnYXQYfDt52kbuDQ== |
| 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
| 2026-09-17T04:23:18.192827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001435observed fc99fa6d89aa1db7ca28249b835fcfb8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T04:23:18.168703Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001435/manifest.jsonobserved 154c86ea21c1d0449ae565c36b6dc26a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:18.151495Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001435/publication.mdobserved 53322d4dcad33742395a3fe240aa6bef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:18.096879Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001435/publication.txtobserved 7aa6cca7fc92ce280d8664348109b0d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:41:28.030872Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001435observed fc99fa6d89aa1db7ca28249b835fcfb8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:41:27.892516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001435/manifest.jsonobserved 154c86ea21c1d0449ae565c36b6dc26a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:41:27.708946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001435/publication.mdobserved 53322d4dcad33742395a3fe240aa6bef...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:41:27.523759Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001435/publication.txtobserved 7aa6cca7fc92ce280d8664348109b0d2...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 |
|---|