OpenTechnical

OT-2026-000003275

Publication integrity record

Control for hydraulically operated construction machine having multiple tandem articulated members

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-2026-000003275) never changes.

Identity and time

Publication numberOT-2026-000003275 · never reused
Internal UUID01a0a6a8-2866-7e71-9722-cba73d2f6e85 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T20:00:33.382929Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003275
StatusPUBLIC

Content hashes

Canonical text184f67cba30fabe07347c63979c1260dfcb8db19e2291ca0186418607c7b645a
Markdown3abe440742fb9f0fc592082cb8c021ee7263618eb0601096f0f7b8e350799913
PDF
Publication pageb50950893bc2de3afb8010394f678a8a3c5ae1375f680874f6b3fc35d052b1be
Manifestd564df3f01a9fb8e93a35486165814cd0b2ae644ea3f5fb8dbd70344478ce246

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
Signature1q+8EXickVmR6lQrkXhfuFgjilICx6MLMsLveYFJ/waNjU1nn0bjRoBI1LoQg7VxCpAT2mtpl9xqMnCqALKgCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:07:03Z
batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof
root d42f3e627490c26ffd144bf37543fecf...

Independent retrieval

2026-09-15T20:10:11.037806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003275
observed b50950893bc2de3afb8010394f678a8a...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:10.965108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003275/manifest.json
observed d564df3f01a9fb8e93a35486165814cd...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:10.826651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003275/publication.txt
observed 184f67cba30fabe07347c63979c1260d...
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