OT-2026-000000393
Publication integrity record
Laser machining method for machining a texture or a cavity on a workpiece
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-2026-000000393) never changes.
Identity and time
| Publication number | OT-2026-000000393 · never reused |
|---|---|
| Internal UUID | 01a0a673-4f10-7479-a73f-d70c68c8e9d4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:49.872317Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000393 |
| Status | PUBLIC |
Content hashes
| Canonical text | 499ec4eded7b3434b3172e3b2911c7d26f750ad1e5b07816c59df760cf9b0e02 |
|---|---|
| Markdown | ffd43da9ecbea862fbf73452f35a13e49dceb52e7372e7ea05f062dc19d94ad9 |
| Publication page | 0f228bcd303e078fb26f919325826cea7a6755d0d82348508940d46bf259d54b |
| Manifest | 8fdde24b1126cd27b5948d7868ad93b8ae9f1ae301e32797530d709f5f5cb935 |
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 | ijEE7gJfB2hOvhjdIRUa8S3moa+FvKoL2RnSb3U13yYY+PkTflW3tY1A2dMtRA2Iwz2xGEr9XkmcjhBeM/PeCw== |
| 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
| 2026-09-15T20:50:15.030199Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000393observed 0f228bcd303e078fb26f919325826cea...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:50:14.999574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000393/manifest.jsonobserved 8fdde24b1126cd27b5948d7868ad93b8...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:14.987467Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000393/publication.txtobserved 499ec4eded7b3434b3172e3b2911c7d2...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 |
|---|