OpenTechnical

OT-2026-000000630

Publication integrity record

Dust collector including filter cleaning mechanism

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-2026-000000630) never changes.

Identity and time

Publication numberOT-2026-000000630 · never reused
Internal UUID01a0a673-a175-7142-a110-da4c077d4d85 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:10.966110Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000630
StatusPUBLIC

Content hashes

Canonical text691f8218ef46f607c191ba5b3533b0a024671a67bb11da0d2ce738f005a25677
Markdown17912d42cb3c297408f02b6bcc6c467358926cdd1898ef1af6d3655218de7683
PDF
Publication page75753510fb125b53ba0e8da91143b06f03aa36f651d239ffa1180dea113aa54a
Manifestfaa0355613e7bb8708888be43b40d9ce3bbd2b7354eb59f6b5bce1a52dd2c35e

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
SignaturevggAM8UC6ePJ/nyyFItBv5MFqCDUZYXOhWJEoLjhVU4EgMoObjNDUyYxFOzE6q12muolrvWryj6nL1P46fxCDw==
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

2026-10-21T00:41:47.975597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000630
observed 75753510fb125b53ba0e8da91143b06f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-21T00:41:47.924059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000630/manifest.json
observed faa0355613e7bb8708888be43b40d9ce...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-21T00:41:47.858663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000630/publication.md
observed 17912d42cb3c297408f02b6bcc6c4673...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-21T00:41:47.683758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000630/publication.txt
observed 691f8218ef46f607c191ba5b3533b0a0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T21:12:27.627516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000630
observed 75753510fb125b53ba0e8da91143b06f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T21:12:27.613161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000630/manifest.json
observed faa0355613e7bb8708888be43b40d9ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T21:12:27.600811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000630/publication.md
observed 17912d42cb3c297408f02b6bcc6c4673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T21:12:27.587092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000630/publication.txt
observed 691f8218ef46f607c191ba5b3533b0a0...
fetched by instance-3.rotem.ai from 34.69.0.72, 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