OT-2026-000001549
Publication integrity record
Electromagnetic brake
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-2026-000001549) never changes.
Identity and time
| Publication number | OT-2026-000001549 · never reused |
|---|---|
| Internal UUID | 01a0a676-c4a1-77cd-9b2a-ca432ec3e37d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:06:36.578156Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001549 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0757f56adb816f349ce8faef1593d17202d4cf0c05e8a5fee26fc16968f079a8 |
|---|---|
| Markdown | 2087f83af9a51022b4517dfdaa00720c74675f19c3e962f0e54624f39447213a |
| Publication page | c9397dfd7ffdf89414ed1f736539ed624033c25b1d4345a3759d951ff9a05dc8 |
| Manifest | 773b59f4bf436c1db0367c682c8383dd6b1db3999c24566acbec12ed149f7d39 |
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 | CNPcSxOqp0ZzCi8fCuKvT6MlnWz2H48t+v68g/kg02/W8NboDK1jvunEACap6KnPjeOwtb6NTjN3C1koI+TpDg== |
| 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
| 2026-10-12T04:23:52.504914Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001549observed c9397dfd7ffdf89414ed1f736539ed62...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-12T04:23:52.491762Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001549/manifest.jsonobserved 773b59f4bf436c1db0367c682c8383dd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:23:52.479262Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001549/publication.mdobserved 2087f83af9a51022b4517dfdaa00720c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:23:52.429785Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001549/publication.txtobserved 0757f56adb816f349ce8faef1593d172...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:47.510982Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001549observed c9397dfd7ffdf89414ed1f736539ed62...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:47.463843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001549/manifest.jsonobserved 773b59f4bf436c1db0367c682c8383dd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:47.416667Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001549/publication.mdobserved 2087f83af9a51022b4517dfdaa00720c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:47.249722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001549/publication.txtobserved 0757f56adb816f349ce8faef1593d172...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 |
|---|