OpenTechnical

OT-2026-000001243

Publication integrity record

Apparatus and method for controlling opening degrees of valves regulating flow of hydraulic fluid in a hydraulic system of a lifting equipment, lifting equipment and vehicle

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-2026-000001243) never changes.

Identity and time

Publication numberOT-2026-000001243 · never reused
Internal UUID01a0a674-bf70-7758-b942-923cf35fc731 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:04:24.177346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001243
StatusPUBLIC

Content hashes

Canonical textc110b1b82c1a7077747fb6aff22382c4acbd4b0a02331fb959c8d62f836fb348
Markdownf00b20b31cc378db7fc13e0c7aeee1d90ccaff0a44b9b1042ddb95a6ab3fbef3
PDF
Publication pageef71eeb433524c58503781b60e937346ed47f7d0c39ea5c7639ad0048de2f65c
Manifest946aac98b1a0cd44910a4d19479c51e9b289a69f025bbafcc1ac8c20a2423fd9

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureOUoKosdHhJsn6pZGN2V3veTxYH0zEh7kzvSEYLgW6xtVgLDmfoSrLVwZBvfykwwTEGs9enJZGnBErUM6MMGIAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-09-15T20:10:40.026469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001243
observed ef71eeb433524c58503781b60e937346...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:39.998134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001243/manifest.json
observed 946aac98b1a0cd44910a4d19479c51e9...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:39.984910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001243/publication.txt
observed c110b1b82c1a7077747fb6aff22382c4...
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 archivePending 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-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent