OT-2026-000002974
Publication integrity record
Apparatus and method for centring components
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-2026-000002974) never changes.
Identity and time
| Publication number | OT-2026-000002974 · never reused |
|---|---|
| Internal UUID | 01a0a67f-d231-7145-8a2b-718477588f5c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:16:29.873965Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002974 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9348a7b028acf9760ae32aaba549799ca5d650dd6facdafcbe22af309a4a9e55 |
|---|---|
| Markdown | 64bd765db7a84a64320d91503432cc2ceaa611065c25a3c4c83589ee02f94057 |
| Publication page | c6200070ac74496e41320ed0750cfb96a9f0c5c7e9bba424fe1ee720906950c3 |
| Manifest | 886fee99934e73616673c88dc735646870707ca9df74acc0dfcf1958bf22f97c |
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 | BgCNjNzCydaDXyjcQk/prC8U6/CBSgGy9NsvYZDdwo31I4/Pp/XK0rbsU9k/QaVwlefSveADGIqODgLSOWDVAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-09-15T19:20:13.166995Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002974observed c6200070ac74496e41320ed0750cfb96...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:20:13.134869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002974/manifest.jsonobserved 886fee99934e73616673c88dc7356468...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:20:12.996057Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002974/publication.txtobserved 9348a7b028acf9760ae32aaba549799c...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 |
|---|