OT-2026-000000316
Publication integrity record
Release operation of a sliding caliper and a brake system therefor
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-2026-000000316) never changes.
Identity and time
| Publication number | OT-2026-000000316 · never reused |
|---|---|
| Internal UUID | 01a0a673-394f-7733-9cda-1c68d0ffd5c4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:44.304284Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000316 |
| Status | PUBLIC |
Content hashes
| Canonical text | d8ca6c1a6c453191a783474e1d83b0d71d8abe277cfbb82b1451e2c4678478bf |
|---|---|
| Markdown | 98c91e7ecaca10e160ed8442ccc09c485d3f84bd38c715b424ec96f0845ee91e |
| Publication page | 121a3417202443bcd5d5bc6710c23bf5edd9ca18a3917d418e123d0fbc6544a6 |
| Manifest | 3b4df1beaedcf9f878e583c8949ad4fd46692422982bd0d9bd8f3ed5cc125fb8 |
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-2026-01 · Verified |
|---|---|
| Signature | AhX/4WrTulAwNjeLxEB+vw+aNP6S4IrVdBJ10xCZYajd01n6iRYErXAR6XKaLDoKTf6htkyI5/7GAmeUjJWPDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:07:03Z batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof root 6369baadb1a246009d149835804d20ba... |
|---|
Independent retrieval
| 2026-10-24T00:41:48.724516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000316observed 121a3417202443bcd5d5bc6710c23bf5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T00:41:48.673561Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000316/manifest.jsonobserved 3b4df1beaedcf9f878e583c8949ad4fd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T00:41:48.582893Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000316/publication.mdobserved 98c91e7ecaca10e160ed8442ccc09c48...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T00:41:48.465318Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000316/publication.txtobserved d8ca6c1a6c453191a783474e1d83b0d7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T16:41:38.214892Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000316observed 121a3417202443bcd5d5bc6710c23bf5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T16:41:38.142998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000316/manifest.jsonobserved 3b4df1beaedcf9f878e583c8949ad4fd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T16:41:37.973263Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000316/publication.mdobserved 98c91e7ecaca10e160ed8442ccc09c48...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T16:41:37.802813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000316/publication.txtobserved d8ca6c1a6c453191a783474e1d83b0d7...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 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.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|