OpenTechnical

OT-2026-000000292

Publication integrity record

Machine learning-based systems for parameter deviation monitoring and alerting in engines and pump controls

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-2026-000000292) never changes.

Identity and time

Publication numberOT-2026-000000292 · never reused
Internal UUID01a0a673-32bd-7241-b40f-5ab3cd3ff1d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:42.622318Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000292
StatusPUBLIC

Content hashes

Canonical textfde0df4d7f66f5617429eceee6121080c57e1b9d02f4b00c16054c30c9966ec9
Markdown6bec41501334ff6c7ef0c82ef679d3f8a4fee591e03064191b83c2b8dddec00e
PDF
Publication paged9d0aae2276c9d59839658f32e5c4bdfb4c16f46da16c3f9fbf87e0118c2436b
Manifest8c9dc58d30c8e981d9533e892e9eaa2f12089d47e1be4df05bfac10292e4ff0c

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
Signaturetrlch/TbBNIU0YPDBTBpFD6vuIBFDVqqYiUB0wxfu98jsfRcQER/C/qxn8p+FM0t1jAeSzSZrOkoGDpNiiQ7Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-10-11T00:41:22.089080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000292
observed d9d0aae2276c9d59839658f32e5c4bdf...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-11T00:41:22.011177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000292/manifest.json
observed 8c9dc58d30c8e981d9533e892e9eaa2f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-11T00:41:21.933307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000292/publication.md
observed 6bec41501334ff6c7ef0c82ef679d3f8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-11T00:41:21.793060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000292/publication.txt
observed fde0df4d7f66f5617429eceee6121080...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:50:27.295320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000292
observed d9d0aae2276c9d59839658f32e5c4bdf...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:27.264592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000292/manifest.json
observed 8c9dc58d30c8e981d9533e892e9eaa2f...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:27.252668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000292/publication.txt
observed fde0df4d7f66f5617429eceee6121080...
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