OT-2026-000000608
Publication integrity record
Laser cutting system using a focusing lens with a shorter focal length
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-2026-000000608) never changes.
Identity and time
| Publication number | OT-2026-000000608 · never reused |
|---|---|
| Internal UUID | 01a0a673-9a6e-7a44-853c-7ed64d42c756 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:09.166492Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000608 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8206e4586dcaff88015d31d3e7ce610619b510f5eea746a4ac883247ce5ba942 |
|---|---|
| Markdown | 92fad9661e63d89d9b26e88f61a755305b15f260b588d61f691e53b1bd64cc85 |
| Publication page | c8c3bb36722f8841712b441131b313e144886ca173a2375edd0812c8a23e9c6e |
| Manifest | 28a6ef6538a41f2b1129a75eef54bd70f003436331f5b372d97714a882f99578 |
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 | WDpUqhzEuRGLwbEGyAOUrjPJD4Etg9iehnKqphLRRIWr1fECaR8A8Y3SNEfKcGIXnsSlKNg2MwEzrskPl0xrAQ== |
| 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
| 2026-09-15T20:40:24.767836Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000608observed c8c3bb36722f8841712b441131b313e1...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:40:24.738104Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000608/manifest.jsonobserved 28a6ef6538a41f2b1129a75eef54bd70...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:40:24.725676Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000608/publication.txtobserved 8206e4586dcaff88015d31d3e7ce6106...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 |
|---|