OpenTechnical Open technical disclosures for industrial technology

OT-2026-000000058

Publication integrity record

Zoned Emergency Stop Architecture for Segmented Industrial Lines

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-2026-000000058) never changes.

Identity and time

Publication numberOT-2026-000000058 · never reused
Internal UUID01a0a4ed-4397-7b3e-909e-eec45b65c4eb · UUIDv7, RFC 9562
Publication timestamp2026-09-15T11:56:47.897824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000058
StatusPUBLIC

Content hashes

Canonical text2f2ae96165922f1edfb14cc8a737ecfe26966a9e7d6f51e5df14ceaa0763c756
Markdown6405e25b36575a1c22255600e6865b99072efdc33589e505daa1923f649d88c2
PDF1d17aace6b1c614b1ee900469e50cd3c43e12c714875572d33e9e544dc121763
Publication page05cf72362e4c2e5999ecd95afd61b985771ddaf5be6fe4f542910883bb69c6e7
Manifest886cfed2929b27341fb60f75e5619c18c897d50522ae7d37941ed8ba0951aa7d

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-2026-02 · Verified
SignatureroiVR6Eri29jCwpnHkgbbI7XgJ53b+Yds3HPrm4X4tXUJrqCFYt2uI57rXCKMEEfy/PyKEJu5jC3OpnV4r1PAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T12:03:59Z
batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof
root 374ac7be5b27e8fbd4755a00ec69d4c7...

Independent retrieval

2026-09-15T12:41:06.808836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000058
observed 05cf72362e4c2e5999ecd95afd61b985...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T12:41:06.624697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000058/publication.pdf
observed 1d17aace6b1c614b1ee900469e50cd3c...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T12:41:06.470229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000058/manifest.json
observed 886cfed2929b27341fb60f75e5619c18...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T12:41:06.307955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000058/publication.txt
observed 2f2ae96165922f1edfb14cc8a737ecfe...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T12:00:02.729403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000058
observed 05cf72362e4c2e5999ecd95afd61b985...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T12:00:02.705701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000058/publication.pdf
observed 1d17aace6b1c614b1ee900469e50cd3c...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T12:00:02.686861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000058/manifest.json
observed 886cfed2929b27341fb60f75e5619c18...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T12:00:02.672208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000058/publication.txt
observed 2f2ae96165922f1edfb14cc8a737ecfe...
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
f5540ade9ee87306569c02456843c15d... · 9,431,008 bytes · held by held on site pending an external custodian · retention permanent