OpenTechnical

OT-2026-000003330

Publication integrity record

Control system for automatically controlling actuators of an excavator

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-2026-000003330) never changes.

Identity and time

Publication numberOT-2026-000003330 · never reused
Internal UUID01a0a6b1-a8c7-73e3-b395-2b144f900606 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T20:10:56.072218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003330
StatusPUBLIC

Content hashes

Canonical textffbcd2ac32d9b7c70fa8d1ecd7ccf9cfadee0b04cfecca940d91dcfcc777971b
Markdown0ac44494c9ae2355fde79b33d77d5cbbc03f3c31751138d26bfd62df162804b5
PDF
Publication pagef3340f7d926d60755cb567b83612ce38795dcfcc39e2d9badbc0ff077a9a79a1
Manifestfc0c594292eed3af5a58324151d350fb95d356d38beb12d7b2359208505f1869

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
Signature5BZHdhMYt1RGKY+ADtZz3sm3xRA7fxzXA8PR+BKZViNKBnEC5p6MULokfa6vZUAQ881b7bBoMxO68Di1aDfRDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:27:02Z
batch OT-TS-2026-W38-005 · RFC 3161 token · inclusion proof
root 0d980c01ea01b2d7f69845e24a85320c...

Independent retrieval

2026-09-15T20:20:08.889377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003330
observed f3340f7d926d60755cb567b83612ce38...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:20:08.862831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003330/manifest.json
observed fc0c594292eed3af5a58324151d350fb...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:20:08.850633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003330/publication.txt
observed ffbcd2ac32d9b7c70fa8d1ecd7ccf9cf...
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