OpenTechnical

OT-2026-000000887

Publication integrity record

Rolling bearing and method of manufacturing same

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-2026-000000887) never changes.

Identity and time

Publication numberOT-2026-000000887 · never reused
Internal UUID01a0a673-f62d-72b1-8cd5-afd77a842846 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:32.653873Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000887
StatusPUBLIC

Content hashes

Canonical text5a719c3748a026f52096e184105c55e62cd0966733e2157f6515b649af95a951
Markdownd54cc4d69c0a620f599fb0e4f9dd824095bb59ccd4bfd29ec06a94cce742ed2c
PDF
Publication page103ccacc8766d63787ddb49c815487c1c28ff585100c7039f341eaa1d46b08f0
Manifest9aa186fbb5555a9200505d4cb8a9777848289876a510d2f9a4e26189f1b0e990

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
Signature1nA+NyYPTDXEHTeOc34QViblyxSUo8Eq6LldfTFDLqj1lINgUYGMjl1+61dv9UiuBnEzjNZ07okicB4ZCwklCA==
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

2026-09-16T08:42:11.143593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000887
observed 103ccacc8766d63787ddb49c815487c1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:42:10.625291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000887/manifest.json
observed 9aa186fbb5555a9200505d4cb8a97778...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:42:10.245944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000887/publication.md
observed d54cc4d69c0a620f599fb0e4f9dd8240...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:42:09.634207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000887/publication.txt
observed 5a719c3748a026f52096e184105c55e6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:30:23.624699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000887
observed 103ccacc8766d63787ddb49c815487c1...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:30:23.471228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000887/manifest.json
observed 9aa186fbb5555a9200505d4cb8a97778...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:30:23.457551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000887/publication.txt
observed 5a719c3748a026f52096e184105c55e6...
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