OT-2026-000003250
Publication integrity record
Magnetic holder for contact sensor
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-2026-000003250) never changes.
Identity and time
| Publication number | OT-2026-000003250 · never reused |
|---|---|
| Internal UUID | 01a0a6a4-89eb-75e1-a1d7-374368270a90 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:56:36.203826Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003250 |
| Status | PUBLIC |
Content hashes
| Canonical text | 490721a83ef266a07e2ef4302f8eec85535c12c139228959828650c4baaa8a97 |
|---|---|
| Markdown | 493b4dad7e70f864f3c8599b1e5df11a308ba8b136a7eee5588bafa7af950d15 |
| Publication page | c6322ce25de2b0892c0d3ff1225438c12d6a09530286864eedbb663867424a6e |
| Manifest | b463a744020ddbaeccf36d099394a963fa4dfcaade9c0a65544d54b2d8e0efd4 |
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 | dMw47GfbnW8Sx/gwOAi/gaMEDRwL1ncmVOYtqnkpCp2+HeFpy76TEpZgAb4ZH5luOAr7uG/zSJzPXmmzB8YDBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:07:03Z batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof root d42f3e627490c26ffd144bf37543fecf... |
|---|
Independent retrieval
| 2026-09-15T21:11:42.182303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003250observed c6322ce25de2b0892c0d3ff1225438c1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T21:11:42.149983Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003250/manifest.jsonobserved b463a744020ddbaeccf36d099394a963...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-15T21:11:42.135632Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003250/publication.txtobserved 490721a83ef266a07e2ef4302f8eec85...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:05.889993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003250observed c6322ce25de2b0892c0d3ff1225438c1...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:05.750293Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003250/manifest.jsonobserved b463a744020ddbaeccf36d099394a963...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:05.736090Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003250/publication.txtobserved 490721a83ef266a07e2ef4302f8eec85...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 |
|---|