OT-2026-000002573
Publication integrity record
System and method for delivering beams to predetermined locations of work sites
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-2026-000002573) never changes.
Identity and time
| Publication number | OT-2026-000002573 · never reused |
|---|---|
| Internal UUID | 01a0a67d-79e0-78fa-94a5-5237202228cc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:13:56.192889Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002573 |
| Status | PUBLIC |
Content hashes
| Canonical text | a155c2a16863d6d88123f2fabdc212e58dd84767ef36cea0558a2b7a599c9261 |
|---|---|
| Markdown | 6bc14092a7643a0fed9d62a0603cb2756ce38cd6e83fed090ed3750a2b55d657 |
| Publication page | 9756595c58fdbc563458da2d7848d40dce79c03bb8b4ccba4f8f8604f4bbf93e |
| Manifest | 895739a64af5ab33f549585ddc897d2534aa958815dbc432f2af1134fc89d476 |
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 | eZOikA1q4L+3uhHZxMGuw65SF9De5eOKuCbYeBUD2sLzrsMqspv5CpEoYLVlvVXKcHrBcBXk8H//SKTgjidxAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-10-04T04:41:17.157883Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002573observed 9756595c58fdbc563458da2d7848d40d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-04T04:41:17.110533Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002573/manifest.jsonobserved 895739a64af5ab33f549585ddc897d25...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:41:17.060324Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002573/publication.mdobserved 6bc14092a7643a0fed9d62a0603cb275...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:41:16.972163Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002573/publication.txtobserved a155c2a16863d6d88123f2fabdc212e5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:30.406325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002573observed 9756595c58fdbc563458da2d7848d40d...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:30.353446Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002573/manifest.jsonobserved 895739a64af5ab33f549585ddc897d25...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:30.213194Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002573/publication.txtobserved a155c2a16863d6d88123f2fabdc212e5...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 |
|---|