OpenTechnical

OT-2026-000003136

Publication integrity record

Method and apparatus for controlling the spatial orientation of the blade on an earthmoving machine

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-2026-000003136) never changes.

Identity and time

Publication numberOT-2026-000003136 · never reused
Internal UUID01a0a692-23f4-7353-a6f8-b254e6d9733a · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:36:30.452818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003136
StatusPUBLIC

Content hashes

Canonical texte202929cc6727a2ccb916e08d8efda405efc028c4bdbfe4716eb6375bd72461c
Markdownc9816232ece31d3eff254a9db870d6ebbf80218db4f1e6ac003c93cd5982d7ca
PDF
Publication page8d526ac9da6e92c1f47e3e18918817a536fb6eabb25957cbe881e8498fb52f89
Manifest9a92ded43226383bc9a855e93cd5e27d04bf1aafe63ecfbf53c3cd362954d0f5

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
SignatureugwcZa7vN7RZ11w48Js1JgOJvhOgEIZdgbgPdliP+NJ1VwAxs6dJg+4bPr5fNhsCDxOd0K0Hr7aGTqt7CaS8AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:47:02Z
batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof
root 713cd89b73be422b38f7894d4fb6a755...

Independent retrieval

2026-09-15T19:40:04.541868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003136
observed 8d526ac9da6e92c1f47e3e18918817a5...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:04.509746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003136/manifest.json
observed 9a92ded43226383bc9a855e93cd5e27d...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:04.493804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003136/publication.txt
observed e202929cc6727a2ccb916e08d8efda40...
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