OT-2026-000000519
Publication integrity record
Systems and methods for regulating fluid flows in laser processing systems
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-2026-000000519) never changes.
Identity and time
| Publication number | OT-2026-000000519 · never reused |
|---|---|
| Internal UUID | 01a0a673-7c35-75d3-8735-192c409c1302 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:01.429985Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000519 |
| Status | PUBLIC |
Content hashes
| Canonical text | d8058f2245a5db568501f3623c88c8e6acac7bb245ff7bd06b4e7f638fc85dd9 |
|---|---|
| Markdown | f7eeec33b9952421b492e8f3d5f503a844b5dff23a5fdbd2214b087a9e2451fa |
| Publication page | 4bdbbd2dc157a7d764a90239793b39354edd851bfa6ef0363f99943399321def |
| Manifest | 3ecf3fce0b36ef6a26b40b4819298db8a89ae41b94ba2f0118ce3e43e4a28c85 |
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 | 2nRG1ZH5DwiOWY2ut2qoiNnJCKw5dWmKcksV14H7Rirg4sRHGWmrt8gPPd19c9O4hBIBKDefvtWVlxXHuZkXAw== |
| 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
| 2026-09-22T12:41:33.370895Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000519observed 4bdbbd2dc157a7d764a90239793b3935...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-22T12:41:33.323647Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000519/manifest.jsonobserved 3ecf3fce0b36ef6a26b40b4819298db8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:33.277156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000519/publication.mdobserved f7eeec33b9952421b492e8f3d5f503a8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:33.208214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000519/publication.txtobserved d8058f2245a5db568501f3623c88c8e6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:40:34.722091Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000519observed 4bdbbd2dc157a7d764a90239793b3935...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:40:34.570360Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000519/manifest.jsonobserved 3ecf3fce0b36ef6a26b40b4819298db8...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:40:34.559147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000519/publication.txtobserved d8058f2245a5db568501f3623c88c8e6...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 |
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