OT-2026-000003478
Publication integrity record
Method of replacing a machine part
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-2026-000003478) never changes.
Identity and time
| Publication number | OT-2026-000003478 · never reused |
|---|---|
| Internal UUID | 01a0a6c5-91a3-77f4-84a3-4f368e9ab0c8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:32:40.868379Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003478 |
| Status | PUBLIC |
Content hashes
| Canonical text | 785edb7606333458cc64d994cd3e3088534cbfdfd4d3d5ab976a9525a32302b5 |
|---|---|
| Markdown | e925ee0f2fc058b40b9ebcfe727428f4dd3b70494a49557baded36a16d28d9f5 |
| Publication page | 6d9ab84970a91a355bb1dc34aeb2795c0ae61d2f72c2946ec4e52788eda27258 |
| Manifest | d848f60fd608af2214f2df58b9c3f0ae6e44694c818b3faad76a2eaf3a8cd8e0 |
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 | 44ThMshh7VLWcyFOQn9+lb0u6hT2mnsd9AQcMJwkIhjGMKPvcravRnW3FL7Ocf9l+MoFpOwff9csxMekUxkBCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:36:25Z batch OT-TS-2026-W38-006 · RFC 3161 token · inclusion proof root 40fdb380c9f41bd58bb35c455dde2c7d... |
|---|
Independent retrieval
| 2026-09-15T20:40:05.295495Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003478observed 6d9ab84970a91a355bb1dc34aeb2795c...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:40:05.263283Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003478/manifest.jsonobserved d848f60fd608af2214f2df58b9c3f0ae...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:40:05.251006Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003478/publication.txtobserved 785edb7606333458cc64d994cd3e3088...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.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|