OpenTechnical

OT-2026-000001981

Publication integrity record

Rotational speed detection structure of actuator and actuator

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-2026-000001981) never changes.

Identity and time

Publication numberOT-2026-000001981 · never reused
Internal UUID01a0a679-d440-7588-bc36-89fb64519e65 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:09:57.185428Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001981
StatusPUBLIC

Content hashes

Canonical texta4016fc5fbe5464ec71c9d713a9784675dcb3cfe087162f307f925cb4c434241
Markdowna6922ea1ed73844c1fa5f049a4f7e38dbc639e7fe8576fdeed47a5b976e9e9f2
PDF
Publication pagea8987aeef7101e255d0f84a261469bb7e41142b192b52ae10e68024d47bcc498
Manifest1f9a6c13e73120bc5adb3f0b9ad0e59ec7265d794ea58487c5a84888778781cb

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
SignaturedG5eNCaClDK1pNavCzlilUedetd/6mKLXEWsv3bv/Wam/3n8hos62TaLpM4yofJ9jyk+q/UAJoAV03BGu423Cg==
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

2026-09-15T19:10:04.443473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001981
observed a8987aeef7101e255d0f84a261469bb7...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:04.416516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001981/manifest.json
observed 1f9a6c13e73120bc5adb3f0b9ad0e59e...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:04.405241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001981/publication.txt
observed a4016fc5fbe5464ec71c9d713a978467...
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