OpenTechnical

OT-2026-000000375

Publication integrity record

Foil bearing and fluid machinery

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-2026-000000375) never changes.

Identity and time

Publication numberOT-2026-000000375 · never reused
Internal UUID01a0a673-49f1-7af6-9f42-932724b4ae5c · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:48.561590Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000375
StatusPUBLIC

Content hashes

Canonical text823bd6ccb736180b9a028811da072cfa2d88f5b748983698f36ca75cd5f0b555
Markdown47ad3056b61af7d74b233910e8cb8f4d58a1f466fa39a9b66a045dff91af51ba
PDF
Publication page985d2aa9f36a75232b8642419a0248c3face663d40f4ede1ecae02e87f8b27b7
Manifestf711de28f4bd510273b58405a19c55d727999ce0135e73fb3eaf8215bbfbf1f1

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
SignaturedeZhOAJH9o+aHaNaQdsUjWhwlN0XZ6pV1a31vBkFUF0wy0Wkp4rR9Ffz8AQYfEkDN7wOOYQ1QC+OB9dzUiWIBQ==
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

2026-10-09T04:23:42.054752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000375
observed 985d2aa9f36a75232b8642419a0248c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-09T04:23:42.041174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000375/manifest.json
observed f711de28f4bd510273b58405a19c55d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-09T04:23:42.025170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000375/publication.md
observed 47ad3056b61af7d74b233910e8cb8f4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-09T04:23:41.955151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000375/publication.txt
observed 823bd6ccb736180b9a028811da072cfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T16:41:22.876771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000375
observed 985d2aa9f36a75232b8642419a0248c3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:22.675961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000375/manifest.json
observed f711de28f4bd510273b58405a19c55d7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:22.541299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000375/publication.md
observed 47ad3056b61af7d74b233910e8cb8f4d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:22.292015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000375/publication.txt
observed 823bd6ccb736180b9a028811da072cfa...
fetched by grabo-systems from 34.44.131.203, 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