OpenTechnical

OT-2026-000002684

Publication integrity record

Determining an exclusion zone in a workspace of transport devices

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-2026-000002684) never changes.

Identity and time

Publication numberOT-2026-000002684 · never reused
Internal UUID01a0a67e-22c5-7c97-821f-70acea82f97c · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:14:39.429490Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002684
StatusPUBLIC

Content hashes

Canonical text720377c19d1c3f17288dbb01a66dad8867e94df214dd7273226e31697db53617
Markdown47bfa3f84adab714e7bcb45cc00225f72c03a929779540acb332a15244d59cde
PDF
Publication page2c1c22c4194eb8987618fdccf10acb7af3f16a1265df8937790fbfa2126d98a2
Manifest7788723cdce9ecf912de30dfbff588b64854414bd63fdfe675b1c5a8cfd02325

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
SignatureMtc9HSL3dzvf2gg+aFK3DD4bkadys1wf9Sxq7D+L28TQr54BHe77Ws85tcojyhzpbxoY4eZrnbFR/+IEtScMBQ==
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

2026-10-19T12:41:46.504637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002684
observed 2c1c22c4194eb8987618fdccf10acb7a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T12:41:46.434104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002684/manifest.json
observed 7788723cdce9ecf912de30dfbff588b6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T12:41:46.365083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002684/publication.md
observed 47bfa3f84adab714e7bcb45cc00225f7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T12:41:46.249207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002684/publication.txt
observed 720377c19d1c3f17288dbb01a66dad88...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:30:16.922266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002684
observed 2c1c22c4194eb8987618fdccf10acb7a...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:16.881404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002684/manifest.json
observed 7788723cdce9ecf912de30dfbff588b6...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:16.863596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002684/publication.txt
observed 720377c19d1c3f17288dbb01a66dad88...
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