OpenTechnical

OT-2026-000002491

Publication integrity record

Work assist system for an industrial 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-2026-000002491) never changes.

Identity and time

Publication numberOT-2026-000002491 · never reused
Internal UUID01a0a67d-0246-7a30-9b32-e15d88709cb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:13:25.574327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002491
StatusPUBLIC

Content hashes

Canonical textbeb73342864145ba8324e84d09193794a9a9805e3828a8d532a01eb70215175d
Markdownb401cac14982a18b536818fb66ec817829b99714e7260d6256bb938575661a7b
PDF
Publication page829ef618d9cd42ce22370c60ee8ab641ebdebb7c51b552b7160ff92194d84960
Manifest08d295d17688e95823f35d8026809ca4c5e1e4cdffdb83b68bda0f8a29b2fb6b

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
SignatureeQnCTRAkk5tB34HRFUmHCTE7tv/qPqpPLJ0u2/PUn0xZh2Cxl5g/zTtpiCdyrF5LEVaNTCzClm3qASmi+zfdAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-10-27T08:41:06.850004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002491
observed 829ef618d9cd42ce22370c60ee8ab641...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-27T08:41:06.777474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002491/manifest.json
observed 08d295d17688e95823f35d8026809ca4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-27T08:41:06.708945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002491/publication.md
observed b401cac14982a18b536818fb66ec8178...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-27T08:41:06.485855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002491/publication.txt
observed beb73342864145ba8324e84d09193794...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:41:44.655880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002491
observed 829ef618d9cd42ce22370c60ee8ab641...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:41:44.324235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002491/manifest.json
observed 08d295d17688e95823f35d8026809ca4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:41:44.014134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002491/publication.md
observed b401cac14982a18b536818fb66ec8178...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:41:43.731021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002491/publication.txt
observed beb73342864145ba8324e84d09193794...
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 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