OT-2026-000000042
Publication integrity record
Ball Screw Preload Retention with Compliant Spacer Split Nut
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-2026-000000042) never changes.
Identity and time
| Publication number | OT-2026-000000042 · never reused |
|---|---|
| Internal UUID | 01a0a4e2-082c-7132-ae40-0cd4e46c6ef0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T11:44:31.791134Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000042 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5b8039a088c8b3f5ffc3435d3d18dd61c258109381786cda502e6f9db5e8f3d5 |
|---|---|
| Markdown | fb5deb347607b2afb7832329a505e8b3844eee1baaf1f7c1ca646929077d2c7e |
| 4f8a52f521e2e2cce06ae5c9d18fa04b354cb61a2076260863522b066678d3fa | |
| Publication page | a611a4398cf823c07658fa4afb7748db900668465a07b7b69c4e36661b39b9c9 |
| Manifest | 79a45322aa848fe609e7277f18dbc3dad4c72e6de6c33543dbe107927c71d7cf |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-02 · Verified |
|---|---|
| Signature | dsWqmfW53DdL5YdEx0KjyGmAcZHfKwvnr93knUUPzTZkGFGYqfQorsYpX6sot4niafrYca/4dQvjBerDupqAAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T11:47:01Z batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof root 9563dce58556d06689dcee7fb61d5c87... |
|---|
Independent retrieval
| 2026-09-15T12:41:25.650092Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000042observed a611a4398cf823c07658fa4afb7748db...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T12:41:25.497962Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000042/publication.pdfobserved 4f8a52f521e2e2cce06ae5c9d18fa04b...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T12:41:25.272456Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000042/manifest.jsonobserved 79a45322aa848fe609e7277f18dbc3da...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T12:41:25.010148Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000042/publication.txtobserved 5b8039a088c8b3f5ffc3435d3d18dd61...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T11:50:03.257606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000042observed a611a4398cf823c07658fa4afb7748db...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T11:50:03.238205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000042/publication.pdfobserved 4f8a52f521e2e2cce06ae5c9d18fa04b...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T11:50:03.209641Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000042/manifest.jsonobserved 79a45322aa848fe609e7277f18dbc3da...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T11:50:03.191329Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000042/publication.txtobserved 5b8039a088c8b3f5ffc3435d3d18dd61...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 archive | Pending 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-W38 | OpenTechnical-Custody-2026-W38.tar.zstf5540ade9ee87306569c02456843c15d... · 9,431,008 bytes · held by held on site pending an external custodian · retention permanent |
|---|