OpenTechnical

OT-2026-000001840

Publication integrity record

Driving apparatus and inspection system

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-2026-000001840) never changes.

Identity and time

Publication numberOT-2026-000001840 · never reused
Internal UUID01a0a678-f17e-7b15-a2ca-c913ea3aa99c · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:08:59.134455Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001840
StatusPUBLIC

Content hashes

Canonical text2d862e65d19641a9def71313f1725e7039ae4dc34ee6baa7795a3e39de925dd6
Markdown87a17a7af80f4223ed85f1185f43c3045e050e25868d5c3bef58c0eb3d334f93
PDF
Publication pagee318ce58479c7522506de8395fa2e01ac84b2fce16b5b3f9c299c63537fea177
Manifest6f8911c6619fa2cf78e754c26ed4248b1482489d58bfa71858cfce70dec729d6

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
SignatureAahZopXAMxf+QbD0MNjUnmc1JSQk4Szzyj5rg1+3wxoh70XNpnXWxfj5pjxNWyVVl5YOmcCGDz139y54jNu0BQ==
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

2026-10-24T12:41:54.798724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001840
observed e318ce58479c7522506de8395fa2e01a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T12:41:54.727702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001840/manifest.json
observed 6f8911c6619fa2cf78e754c26ed4248b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T12:41:54.658060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001840/publication.md
observed 87a17a7af80f4223ed85f1185f43c304...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T12:41:54.382756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001840/publication.txt
observed 2d862e65d19641a9def71313f1725e70...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-19T08:41:12.933791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001840
observed e318ce58479c7522506de8395fa2e01a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-19T08:41:12.774034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001840/manifest.json
observed 6f8911c6619fa2cf78e754c26ed4248b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-19T08:41:12.592148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001840/publication.md
observed 87a17a7af80f4223ed85f1185f43c304...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-19T08:41:12.282216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001840/publication.txt
observed 2d862e65d19641a9def71313f1725e70...
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