OT-2026-000000513
Publication integrity record
Laser test device and test method for laser selection
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-2026-000000513) never changes.
Identity and time
| Publication number | OT-2026-000000513 · never reused |
|---|---|
| Internal UUID | 01a0a673-7913-721b-81f7-48496645b9f0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:00.628019Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000513 |
| Status | PUBLIC |
Content hashes
| Canonical text | d46bef521c2d4057f3c46f6541344e44f5e89da24c5951943d3a2fdd012f1bdd |
|---|---|
| Markdown | db08433df77cfcf5fd7d0c150c30a159578f0359128722b3ff37f01da2857bdf |
| Publication page | 90aead64d851312d950c6ef03ff417e6169de20a33057776e213e61b3059f45f |
| Manifest | 3854cfe5751dd1ad7e6b51e378e1edd8c787e4818d00ecf064cdeca6db4b0359 |
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 | 7Gr7wLhXjz7TV2nngytFIKY20LFrDpsUf1k6M/3c2FdBvm/+Cd5Hf5YAss2uHWclirQplaUZNX0G/Xi9H1FIBw== |
| 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
| 2026-09-15T20:43:31.354040Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000513observed 90aead64d851312d950c6ef03ff417e6...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:43:31.004568Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000513/manifest.jsonobserved 3854cfe5751dd1ad7e6b51e378e1edd8...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:43:30.765157Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000513/publication.txtobserved d46bef521c2d4057f3c46f6541344e44...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:40:35.287944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000513observed 90aead64d851312d950c6ef03ff417e6...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:40:35.259080Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000513/manifest.jsonobserved 3854cfe5751dd1ad7e6b51e378e1edd8...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:40:35.247550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000513/publication.txtobserved d46bef521c2d4057f3c46f6541344e44...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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