OpenTechnical Open technical disclosures for industrial technology

OT-2026-000000061

Publication integrity record

Coded Magnetic Guarding Interlock with Defeat-Resistant Mounting 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-2026-000000061) never changes.

Identity and time

Publication numberOT-2026-000000061 · never reused
Internal UUID01a0a4f0-d3ba-7f9b-b927-56f8d56cd858 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T12:00:41.405955Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000061
StatusPUBLIC

Content hashes

Canonical text70070185ae63157e187986f6792d9b0414106cb2002ecb240b0e548aaaa1c5a9
Markdown6025cedcd681dfa7fb5a82782777e53fa921764e016876bcd52c0e514c505729
PDFf987aa68f58862501ead4f59738a73d306d6424d5bb4c947cee2dc1955d6c3a3
Publication pagebec16d7e5760c35cb49722695475e88abf6207b3c3eb090624c9b7af2e303d5c
Manifesta97c637b51c0dfb50bb7caf466613931dd965e5bdb8686418de0c216afac6658

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
SignaturewRUhifI/EuXxZpD/erBSCFA9GarspRh6qZz4HqdIo62ghbtoDr0BPcRRNNNjNLzc48lQyP23EPwa8HRjfUpoAA==
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

2026-09-15T12:41:36.411462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000061
observed bec16d7e5760c35cb49722695475e88a...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T12:41:36.262736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000061/publication.pdf
observed f987aa68f58862501ead4f59738a73d3...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T12:41:36.088628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000061/manifest.json
observed a97c637b51c0dfb50bb7caf466613931...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T12:41:35.931137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000061/publication.txt
observed 70070185ae63157e187986f6792d9b04...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T12:04:37.972029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000061
observed bec16d7e5760c35cb49722695475e88a...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T12:04:37.954801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000061/publication.pdf
observed f987aa68f58862501ead4f59738a73d3...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T12:04:37.942240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000061/manifest.json
observed a97c637b51c0dfb50bb7caf466613931...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T12:04:37.928431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000061/publication.txt
observed 70070185ae63157e187986f6792d9b04...
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