OT-2026-000002461
Publication integrity record
Systems and methods for pre-plating structural members
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-2026-000002461) never changes.
Identity and time
| Publication number | OT-2026-000002461 · never reused |
|---|---|
| Internal UUID | 01a0a67c-d5b3-75ae-b649-253407fe0c6f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:13:14.164263Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002461 |
| Status | PUBLIC |
Content hashes
| Canonical text | 21934b6ead94693f65cf5cd119030ac222a795b25f4b2c2128d294c6bf2b3ae2 |
|---|---|
| Markdown | c7a800d862c64944c4d057a789c4910d21073db775f8bc7e4dac00661cf0bbab |
| Publication page | a774779b3173d023af3fa194429d98568a7e7d6e1c25738029efe8401df3a90f |
| Manifest | 34b9e06f1ece80984de7f3687bda51e402178044031532df2279b3e4dbca5f0f |
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 | efY6pYG5zZ8do7+chSqYgLpigrSv2c1ynu6fxVgYaxHK3+3wpRCfcsId/9FK4PqwGjG5243fu45O2txaV2y2BA== |
| 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
| 2026-09-15T20:41:41.730213Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002461observed a774779b3173d023af3fa194429d9856...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:41:41.288568Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002461/manifest.jsonobserved 34b9e06f1ece80984de7f3687bda51e4...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:41:40.782352Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002461/publication.txtobserved 21934b6ead94693f65cf5cd119030ac2...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:40:12.938245Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002461observed a774779b3173d023af3fa194429d9856...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:40:12.787590Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002461/manifest.jsonobserved 34b9e06f1ece80984de7f3687bda51e4...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:40:12.775254Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002461/publication.txtobserved 21934b6ead94693f65cf5cd119030ac2...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 |
|---|